Extracted all color resources into a common file.

scad/bar-clamp.scad

@@ -51,7 +51,7 @@ module bar_clamp(d, h, w, switch = false, yaxis = false) {
     sbracket_thickness = 7;
     sbracket_height = microswitch_length();
 
-    color([0,1,0]) {
+    color(clamp_color) {
         translate([0, rail_offset, 0]) {
             union() {
                 difference() {
@@ -141,7 +141,7 @@ module bar_clamp_assembly(d, h, w, name, switch = false, yaxis = true) {
 
     //assembly(name);
     stl(str(name, switch ? "_switch" : ""));
-    color([0,1,0]) render() bar_clamp(d, h, w, switch, yaxis);
+    color(clamp_color) render() bar_clamp(d, h, w, switch, yaxis);
     //
     // screw and washer for clamp
     //

scad/bed.scad

@@ -32,7 +32,7 @@ module bed_assembly() {
     translate([0, 0, washer_thickness(M3_washer)]) {
         vitamin(str("BED", bed_width, bed_depth,": PCB bed ", bed_width, " x ", bed_depth));
         translate([0,0, pillar_height(bed_pillars) + pcb_thickness / 2])
-            color([0.7,0,0]) cube([bed_width, bed_depth, pcb_thickness], center = true);
+            color(bed_color) cube([bed_width, bed_depth, pcb_thickness], center = true);
 
         translate([0,0, pillar_height(bed_pillars) + pcb_thickness + sheet_thickness(glass) / 2 + eta * 3])
             sheet(glass, bed_width, bed_depth - 12);

scad/cable_clip.scad

@@ -65,7 +65,7 @@ module cable_clip(screw, cable1, cable2 = 0) {
 }
 
 module cable_clip_assembly(screw, screw_length, cable1, cable2 = 0) {
-    color([1,0,0]) render() translate([0, cable_clip_width(screw) / 2, 0]) rotate([90, 0, 0])
+    color(clip_color) render() translate([0, cable_clip_width(screw) / 2, 0]) rotate([90, 0, 0])
         cable_clip(screw, cable1, cable2);
 
     translate([0, 0, max(cable_clip_height(cable1), cable_clip_height(cable2))])

scad/conf/carley_mendel_config.scad

@@ -0,0 +1,76 @@
+//
+// Mendel90
+//
+// GNU GPL v2
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// Configuration file
+//
+echo("Carley Mendel:");
+Z_bearings = LM8UU;
+Y_bearings = LM8UU;
+X_bearings = LM8UU;
+
+X_motor = NEMA17;
+Y_motor = NEMA17;
+Z_motor = NEMA17;
+
+X_travel = 200;
+Y_travel = 200;
+Z_travel = 140;
+
+bed_depth = 214;
+bed_width = 214;
+bed_pillars = M3x20_pillar;
+bed_thickness = 1.6 + sheet_thickness(glass);    // PCB heater plus glass sheet
+bed_holes = 209;
+
+base = PMMA10;               // Sheet material used for the base. Needs to be thick enough to screw into.
+base_corners = 50;
+
+frame = PMMA6;
+frame_corners = 25;
+frame_nuts = false;
+
+case_fan = fan80x38;
+psu = KY240W;
+
+single_piece_frame = true;
+stays_from_window = false;
+
+Y_carriage = PMMA6;
+
+extruder_width = 30;        // actually 28 but offset
+nozzle_x_offset = 16;       // offset from centre of the extruder
+nozzle_length = 50;         // from base of extruder to nozzle tip
+
+X_belt = T5x6;
+Y_belt = T5x6;
+
+motor_shaft = 5;
+Z_screw_dia = 8;            // Studding for Z axis
+
+Y_carriage_depth = bed_depth + 10;
+Y_carriage_width = bed_width + 10;
+
+Z_nut_radius = M8_nut_radius;
+Z_nut_depth = M8_nut_depth;
+Z_nut = M8_nut;
+
+//
+// Default screw use where size doesn't matter
+//
+cap_screw = M3_cap_screw;
+hex_screw = M3_hex_screw;
+//
+// Screw for the frame and base
+//
+frame_soft_screw = No6_screw;               // Used when sheet material is soft, e.g. wood
+frame_thin_screw = M4_cap_screw;            // Used with nuts when sheets are thin
+frame_thick_screw = M4_pan_screw;           // Used with tapped holes when sheets are thick and hard, e.g. plastic or metal
+//
+// Feature sizes
+//
+default_wall = 3;
+thick_wall = 4;

scad/conf/colors.scad

@@ -0,0 +1,93 @@
+//
+// Mendel90
+//
+// GNU GPL v2
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// Reusable color definitions
+//
+
+// Named colors
+white                           = [1, 1, 1];
+black                           = [0, 0, 0];
+red                             = [1, 0, 0];
+dark_red                        = [0.7, 0, 0];
+green                           = [0, 1, 0];
+yellow                          = [1, 1, 0];
+fuchsia                         = [1, 0, 1];
+orange                          = [1, 0.7, 0];
+grey20                          = [0.2, 0.2, 0.2];
+grey50                          = [0.5, 0.5, 0.5];
+grey70                          = [0.7, 0.7, 0.7];
+grey80                          = [0.8, 0.8, 0.8];
+grey90                          = [0.9, 0.9, 0.9];
+
+// Material colors
+MDF_brown                       = [0.4, 0.4, 0.2, 1    ];
+acrylic_clear                   = [1,   1,   1,   0.5  ];
+glass_clear                     = [1,   1,   1,   0.25 ];
+dibond_grey                     = [0.5, 0.5, 0.5, 1    ];
+
+// Object colors
+rod_color                        = grey80;
+studding_color                   = grey50;
+tubing_color                     = [0.8, 0.8, 0.8, 0.75 ];
+nut_grey                         = grey70;
+soft_washer_color                = grey20;
+hard_washer_color                = grey80;
+star_washer_color                = [0.8, 0.8, 0.4];
+screw_cap_color                  = grey20;
+screw_grub_color                 = grey20;
+screw_hex_color                  = grey80;
+screw_pan_color                  = [0.8, 0.8, 0.4];
+screw_cs_color                   = [0.8, 0.8, 0.4];
+spring_color                     = grey20;
+pillar_color                     = grey90;
+pillar_liner_color               = yellow;
+bearing_color                    = grey70;
+psu_color                        = grey80;
+fan_color                        = grey20;
+microswitch_color                = black;
+microswitch_button_color         = orange;
+microswitch_contact_color        = yellow;
+sanguinololu_color               = red;
+stepper_body_color               = black;
+stepper_cap_color                = grey50;
+small_ziptie_color               = white;
+
+// Assembly colors
+clamp_color                      = green;
+bed_color                        = dark_red;
+clip_color                       = red;
+d_shell_color                    = green;
+d_shell_lid_color                = red;
+d_motor_bracket_color            = green;
+d_motor_bracket_lid_color        = red;
+d_pillar_color                   = grey90;
+d_plug_shell_color               = grey80;
+d_plug_insulator_color           = grey20;
+fixing_block_color               = green;
+ribbon_clamp_color               = red;
+fan_guard_color                  = green;
+pcb_spacer_color                 = green;
+pulley_color                     = red;
+ribbon_clamp_color               = red;
+wades_big_gear_color             = green;
+wades_small_gear_color           = red;
+wades_idler_block_color          = green;
+wades_gear_spacer_color          = red;
+filament_viz_color               = [0.6, 0.5, 0.2];
+extruder_nozzle_color            = yellow;
+x_carriage_color                 = red;
+x_belt_clamp_color               = green;
+x_end_bracket_color              = green;
+y_bearing_mount_color            = red;
+y_belt_anchor_color              = green;
+y_belt_clip_color                = red;
+y_idler_bracket_color            = green;
+y_motor_bracket_color            = green;
+z_coupling_color                 = red;
+z_limit_switch_bracket_color     = green;
+z_motor_bracket_color            = green;
+cable_strip_color                = fuchsia;

scad/conf/config.scad

@@ -7,11 +7,17 @@
 //
 // Configuration file
 //
+
+include <colors.scad>
+
 bom = 2;                        // 0 no bom, 1 assemblies and stls, 2 vitamins as well
 exploded = false;               // true for exploded view
 eta = 0.01;                     // small fudge factor to stop CSG barfing on coincident faces.
 $fa = 5;
 $fs = 0.5;
+
+glass_thickness = 2;
+
 //
 // Hole sizes
 //

scad/conf/machine.scad

@@ -0,0 +1 @@
+include <mendel_config.scad>

scad/conf/vitamins.scad

@@ -28,20 +28,20 @@ include <../vitamins/electronics.scad>
 
 module rod(d , l) {
     vitamin(str("RD", d, round(l), ": Smooth rod ", d, " x ", round(l)));
-    color([0.8,0.8,0.8])
+    color(rod_color)
         cylinder(r = d / 2, h = l, center = true);
 }
 
 module studding(d , l) {
     vitamin(str("ST", d, round(l),": Threaded rod ", d, " x ", round(l)));
-    color([0.5,0.5,0.5])
+    color(studding_color)
         cylinder(r = d / 2, h = l, center = true);
 }
 
 
 module tubing(od, id, length) {
     vitamin(str("TB", od, id, length,": Tubing OD ",od, " ID ", id," x ",length));
-    color([0.8, 0.8, 0.8, 0.75]) render() difference() {
+    color(tubing_color) render() difference() {
         cylinder(r = od / 2, h = length,    center = true);
         cylinder(r = id / 2, h = length + 1, center = true);
     }

scad/d-motor_bracket.scad

@@ -251,12 +251,12 @@ module d_shell_assembly(motor) {
                d_width / 2 + d_motor_bracket_offset(motor),
                 -NEMA_length(NEMA17) - length - shell_length  - d_mate_distance(connector) + overlap])
         rotate([0, -90, 180])  {
-            color([0,1,0]) render() d_shell_stl();
+            color(d_shell_color) render() d_shell_stl();
             translate([0, d_width / 2, height + lid_thickness])
                 translate([length, 0, 0])
                     explode([0, 0, 40])
                         translate([-length, 0, 0])
-                            color([1,0,0]) render() rotate([180, 0, 0]) d_shell_lid_stl(motor);
+                            color(d_shell_lid_color) render() rotate([180, 0, 0]) d_shell_lid_stl(motor);
 
             for(side = [-1, 1]) {
                 translate([shell_length - shell_front, d_width / 2 - side * pitch / 2, thickness + slot_height / 2]) //connector screws
@@ -277,12 +277,12 @@ module d_shell_assembly(motor) {
 module d_motor_bracket_assembly(motor) {
     rotate([0, 90, 0])
         translate([NEMA_length(NEMA17) - overlap, -NEMA_width(NEMA17) / 2 - thickness, -NEMA_width(NEMA17) / 2 - thickness]) {
-            color([0,1,0]) render() d_motor_bracket_stl(NEMA17);
+            color(d_motor_bracket_color) render() d_motor_bracket_stl(NEMA17);
             translate([0, NEMA_width(NEMA17) / 2 + d_motor_bracket_offset(NEMA17) + thickness, height + lid_thickness])
                 translate([length, 0, 0])
                     explode([0, 0, 40])
                         translate([-length, 0, 0])
-                            color([1,0,0]) render() rotate([180, 0, 0]) d_motor_bracket_lid_stl(motor);
+                            color(d_motor_bracket_lid_color) render() rotate([180, 0, 0]) d_motor_bracket_lid_stl(motor);
         }
 
     translate([-NEMA_width(motor) / 2 + slot_height / 2,  d_motor_bracket_offset(motor), -NEMA_length(motor) + overlap]) {

scad/fixing-block.scad

@@ -86,7 +86,7 @@ module fixing_block_stl() {
 }
 
 module fixing_block_assembly(front = false) {
-    color([0,1,0]) render() fixing_block_stl();
+    color(fixing_block_color) render() fixing_block_stl();
     fixing_block_v_hole(height - counter_bore_depth)
         if(front)
             frame_screw(thickness);

scad/main.scad

@@ -267,7 +267,7 @@ module y_axis_assembly(show_bed) {
 
             translate([0, cable_clamp_y, carriage_top])
                 rotate([180, 0, 0])
-                    color([1,0,0]) render() ribbon_clamp(bed_ways, cap_screw);
+                    color(ribbon_clamp_color) render() ribbon_clamp(bed_ways, cap_screw);
 
             translate([0, cable_clamp_y, carriage_bottom])
                 rotate([180, 0, 0])
@@ -608,7 +608,7 @@ module bed_fan_assembly() {
                 fan_assembly(case_fan, sheet_thickness(frame) + fan_guard_thickness());
 
             translate([0, 0, sheet_thickness(frame) / 2])
-                color([0,1,0]) render() fan_guard(case_fan);
+                color(fan_guard_color) render() fan_guard(case_fan);
         }
     end("bed_fan_assembly");
 }

scad/pcb_spacer.scad

@@ -25,7 +25,7 @@ module pcb_spacer_stl(screw = M3_cap_screw, h = pcb_spacer_height()) {
 }
 
 module pcb_spacer_assembly() {
-    color([0,1,0]) render() pcb_spacer_stl();
+    color(pcb_spacer_color) render() pcb_spacer_stl();
     translate([0,0, pcb_spacer_height() + pcb_thickness])
         screw_and_washer(M3_cap_screw, pcb_screw_length, !frame_nuts);
 

scad/prusa-z-motor-bracket.scad

@@ -103,7 +103,7 @@ module z_motor_bracket_stl() {
 module z_motor_assembly() {
     assembly("z-motor-assembly");
 
-    color([0,1,0]) render() z_motor_bracket_stl();
+    color(z_motor_bracket_color) render() z_motor_bracket_stl();
     //
     // Clamp screw and washer
     //

scad/pulley.scad

@@ -9,13 +9,13 @@ include <conf/config.scad>
 
 module pulley_stl() {
     stl("pulley");
-    color([1,0,0])
+    color(pulley_color)
         translate([-10, -10, 0])
             import("../imported_stls/pulley.stl");
 }
 
 module pulley_assembly() {
-    color([1,0,0]) render() pulley_stl();
+    color(pulley_color) render() pulley_stl();
     rotate([90, 0, 0]) {
         translate([0, 4, -5/2 - 6])
             screw(M3_grub_screw, 6);

scad/ribbon_clamp.scad

@@ -51,7 +51,7 @@ module ribbon_clamp(ways, screw_type) {
 }
 
 module ribbon_clamp_assembly(ways, screw_type, screw_length, panel_thickness = 0, vertical = false, washer = false) {
-    color([1,0,0])
+    color(ribbon_clamp_color)
         render() rotate([180, 0, 0])
             ribbon_clamp(ways, screw_type);
 

scad/stl.scad

@@ -0,0 +1,2 @@
+use <scad/z-screw_pointer.scad>
+z_screw_pointer_stl();

scad/vitamins/ball-bearings.scad

@@ -17,7 +17,7 @@ module ball_bearing(type) {
     vitamin(str("BB",type[3],": Ball bearing ",type[3]," ",type[0], " x ", type[1], " x ", type[2]));
     rim = type[1] / 10;
 
-    color([0.7,0.7,0.7]) render() difference() {
+    color(bearing_color) render() difference() {
         cylinder(r = type[1] / 2, h = type[2], center = true);
         cylinder(r = type[0] / 2, h = type[2] + 1, center = true);
         for(z = [-type[2] / 2, type[2] / 2])

scad/vitamins/cable_strip.scad

@@ -23,7 +23,7 @@ module cable_strip(width, depth, travel, x, extra = 15) {
 
     vitamin(str("PP", thickness * 10, w, total,": Polypropylene strip ", total, "mm x ", w, "mm x ", thickness, "mm"));
 
-    color([1,0,1]) render() linear_extrude(height = w, center = true, convexity = 4)
+    color(cable_strip_color) render() linear_extrude(height = w, center = true, convexity = 4)
         difference() {
             union() {
                 translate([-bottom, radius])
@@ -79,7 +79,7 @@ module elliptical_cable_strip(width, p1, p2, pmax, extra = 15) {
                          [delta[2] / delta[0], 0, 1, delta[2] / 2],
                          [0, 0, 0, 1] ])
 
-        color([1,0,1]) render() linear_extrude(height = w, center = true, convexity = 4)
+        color(cable_strip_color) render() linear_extrude(height = w, center = true, convexity = 4)
             difference() {
                 union()  {
                     square([(a + thickness) * 2, extra * 2], center = true);

scad/vitamins/d-connectors.scad

@@ -21,7 +21,7 @@ module d_pillar(type) {
     height = 4.5;
     screw = 2.5;
     screw_length = 8;
-    color([0.9,0.9,0.9]) render() translate([0,0, d_flange_thickness(type)]) difference() {
+    color(d_pillar_color) render() translate([0,0, d_flange_thickness(type)]) difference() {
         union() {
             cylinder(r = rad, h = height, $fn = 6);
             translate([0,0, - screw_length + eta])
@@ -73,7 +73,7 @@ module d_plug(type, socket = false) {
     //
     // Shell
     //
-    color([0.8, 0.8, 0.8]) render() difference() {
+    color(d_plug_shell_color) render() difference() {
         union() {
             rounded_rectangle([flange_length, flange_width, d_flange_thickness(type)], 2, center = false);
             linear_extrude(height = d_height, convexity = 5)
@@ -93,7 +93,7 @@ module d_plug(type, socket = false) {
     //
     // Insulator
     //
-    color([0.2,0.2,0.2]) render() {
+    color(d_plug_insulator_color) render() {
         translate([0,0, d_flange_thickness(type) + eta])
             rotate([0, 180, 0])
                 linear_extrude(height = back_height + 1 + d_flange_thickness(type), convexity = 5)

scad/vitamins/electronics.scad

@@ -13,6 +13,8 @@ function sanguinololu_length() = 4 * 25.4;
 
 module sanguinololu() {
     vitamin("SANGUINOL: Electronics e.g. Sanguinolou");
+	
+    color(sanguinololu_color)
     import("../imported_stls/sanguinololu.stl");
 }
 
@@ -38,7 +40,7 @@ function psu_hole_list(type) = type[4];
 
 module psu(type) {
     vitamin(str(psu_name(type),": PSU e.g. ", psu_name(type)));
-    color([0.8, 0.8, 0.8])
+    color(psu_color)
         translate([0,0, psu_height(type) / 2])
             cube([psu_length(type), psu_width(type), psu_height(type)], center = true);
 

scad/vitamins/fans.scad

@@ -78,7 +78,7 @@ module fan_holes(type, poly = false) {
 }
 
 module fan_assembly(type, thickness) {
-    color([0.2, 0.2, 0.2])
+    color(fan_color)
         render()
             fan(type);
 

scad/vitamins/linear-bearings.scad

@@ -14,7 +14,7 @@ LM4UU  = [12,  8,  4];
 
 module linear_bearing(type) {
     vitamin(str("LM",type[2],"UU: ","LM",type[2],"UU linear bearing"));
-    color([0.7,0.7,0.7]) rotate([0,90,0]) difference() {
+    color(bearing_color) rotate([0,90,0]) difference() {
         cylinder(r = type[1] / 2, h = type[0], center = true);
         cylinder(r = type[2] / 2, h = type[0] + 1, center = true);
     }

scad/vitamins/microswitch.scad

@@ -39,7 +39,7 @@ module microswitch_contact_space() {
 module microswitch() {
     vitamin("SMMICRO: Microswitch");
     translate([-(5.1 + 9.5 - 7.5), -(8.4 + 2.5), -3.2 + (exploded ? 5 : 0)]) {   // put operating point of button at the origin
-        color([0,0,0]) render() difference() {              // main body
+        color(microswitch_color) render() difference() {              // main body
             cube([19.8, 10.2, 6.4]);
             translate([10, 9.5, -1])
                 cube([19.8, 10.2, 8]);                      // lower half of top
@@ -48,7 +48,7 @@ module microswitch() {
             translate([5.1 + 9.5, 2.5, -1])
                 cylinder(r = 2.35 / 2, h = 8);
         }
-        color([1,0.7,0]) render()                           // orange button
+        color(microswitch_button_color) render()                           // orange button
             translate([5.1 + 9.5 - 7.5,8.4 + 2.5 - 0.5,1.6])
                 linear_extrude(height = 3.2)
                     hull() {
@@ -56,7 +56,7 @@ module microswitch() {
                         translate([0,-4])
                             circle(r = 1);
                     }
-        color([1,1,0])  render()                            // yellow contacts
+        color(microswitch_contact_color)  render()                            // yellow contacts
             for(x = [1.6, 1.6 + 8.8, 1.6 + 8.8 + 7.3])
                 translate([x, 2.5 - 6.4, 1.6])
                     difference() {

scad/vitamins/nuts.scad

@@ -32,7 +32,7 @@ module nut(type, nyloc = false) {
     if(exploded && nyloc)
         cylinder(r = 0.2, h = 10);
 
-    color([0.7, 0.7, 0.7]) render() translate([0, 0, (exploded && nyloc) ? 10 : 0]) difference() {
+    color(nut_color) render() translate([0, 0, (exploded && nyloc) ? 10 : 0]) difference() {
         union() {
             cylinder(r = outer_rad, h = thickness, $fn = 6);
             if(nyloc)
@@ -71,7 +71,7 @@ module wingnut(type) {
     if(exploded)
         cylinder(r = 0.2, h = 10);
 
-    color([0.7,0.7,0.7]) render() translate([0, 0, exploded ? 10 : 0]) difference() {
+    color(nut_color) render() translate([0, 0, exploded ? 10 : 0]) difference() {
         union() {
             cylinder(r1 = bottom_rad, r2 = top_rad, h = thickness);
             for(rot = [0, 180])

scad/vitamins/pillars.scad

@@ -16,12 +16,12 @@ module pillar(type) {
     height = pillar_height(type);
 
     vitamin(str("pillar M", type[0], "x", height));
-    color([0.9,0.9,0.9]) render() difference() {
+    color(pillar_color) render() difference() {
         cylinder(h = height, r = type[2] / 2);
         translate([0,0, height])
             cylinder(h = type[3] * 2, r = type[0] / 2, center = true);
     }
-    color([1,1,0]) render() cylinder(h = type[3] * 2, r = type[0] / 2, center = true);
+    color(pillar_liner_color) render() cylinder(h = type[3] * 2, r = type[0] / 2, center = true);
 
 }
 
@@ -29,7 +29,7 @@ module hex_pillar(type) {
     height = pillar_height(type);
 
     vitamin(str("HP0", type[0], height, " : Hex pillar M", type[0], " x ", height));
-    color([0.9,0.9,0.9]) render() difference() {
+    color(pillar_color) render() difference() {
         union() {
             cylinder(h = height, r = type[2] / 2, $fn = 6);
             cylinder(h = type[3] * 2, r = type[0] / 2, center = true);

scad/vitamins/screws.scad

@@ -66,7 +66,7 @@ module screw(type, length) {
             assign(head_height = rad * 2,
                    socket_rad = type[5] / cos(30) / 2,
                    socket_depth = 2 * rad / 3)
-            color([0.2,0.2,0.2]) render() difference() {
+            color(screw_cap_color) render() difference() {
                 union() {
                     cylinder(r = head_rad, h = head_height);
                     translate([0,0, - length + eta])
@@ -79,14 +79,14 @@ module screw(type, length) {
         if(head_type == hs_grub) {
             assign(socket_rad = type[4] / 2,
                    socket_depth = type[5])
-            color([0.2,0.2,0.2]) render() difference() {
+            color(screw_grub_color) render() difference() {
                 cylinder(r = rad, h = length);
                 cylinder(r = socket_rad, h = socket_depth  * 2, $fn = 6, center = true);
             }
         }
         if(head_type == hs_hex) {
             assign(head_height =type[5])
-            color([0.8,0.8,0.8]) render() union() {
+            color(screw_hex_color) render() union() {
                 cylinder(r = head_rad, h = head_height, $fn = 6);
                 translate([0,0, - length + eta])
                     cylinder(r = rad, h = length);
@@ -96,7 +96,7 @@ module screw(type, length) {
             assign(head_height = type[5],
                    socket_rad = 0.6 * head_rad,
                    socket_depth = 0.5 * type[5])
-            color([0.8,0.8,0.4]) render() difference() {
+            color(screw_pan_color) render() difference() {
                 union() {
                     rounded_cylinder(r = head_rad, h = head_height, r2 = head_height / 2);
                     translate([0,0, - length + eta])
@@ -113,7 +113,7 @@ module screw(type, length) {
                    socket_rad = 0.6 * head_rad,
                    socket_depth = 0.3 * head_rad,
                    socket_width = 1)
-            color([0.8,0.8,0.4]) render() difference() {
+            color(screw_cs_color) render() difference() {
                 union() {
                     translate([0,0, -head_height])
                         cylinder(h = head_height, r1 = 0, r2 = head_rad);

scad/vitamins/sheet.scad

@@ -7,14 +7,22 @@
 //
 // Flat sheets
 //
-MDF6    = [ "MD", "MDF sheet",     6, [0.4, 0.4, 0.2, 1    ], true];
+
-MDF10   = [ "MD", "MDF sheet",    10, [0.4, 0.4, 0.2, 1    ], true];
+// The "Soft" parameter determines if the sheet material will hold threads.
-MDF12   = [ "MD", "MDF sheet",    12, [0.4, 0.4, 0.2, 1    ], true];
+// If not, nuts will be used to retain screws.
-PMMA6   = [ "AC", "Acrylic sheet", 6, [1,   1,   1,   0.5  ], false];
+
-PMMA8   = [ "AC", "Acrylic sheet", 8, [1,   1,   1,   0.2  ], false];
+// The "Color" parameter is a quad-array: [R, G, B, Alpha]
-PMMA10  = [ "AC", "Acrylic sheet",10, [1,   1,   1,   0.2  ], false];
+
-glass   = [ "GL", "Glass sheet",   2, [1,   1,   1,   0.25 ], false];
+//		   [ Code, Description, Thickness, Color, Soft]
-DiBond  = [ "DB", "Dibond sheet",  3, [0.5, 0.5, 0.5, 1    ], false];
+
+MDF6     = [ "MD", "MDF sheet",     6, MDF_brown, true];	// ~1/4"
+MDF10    = [ "MD", "MDF sheet",    10, MDF_brown, true];	// ~3/8"
+MDF12    = [ "MD", "MDF sheet",    12, MDF_brown, true];	// ~1/2"
+PMMA6    = [ "AC", "Acrylic sheet", 6, acrylic_clear, false];	// ~1/4"
+PMMA8    = [ "AC", "Acrylic sheet", 8, acrylic_clear, false];	// ~5/16"
+PMMA10   = [ "AC", "Acrylic sheet",10, acrylic_clear, false];	// ~3/8"
+glass    = [ "GL", "Glass sheet",   glass_thickness, glass_clear, false];
+DiBond   = [ "DB", "Dibond sheet",  3, dibond_grey, false];
 
 function sheet_thickness(type) = type[2];
 function sheet_is_soft(type) = type[4];

scad/vitamins/springs.scad

@@ -54,7 +54,7 @@ module comp_spring(spring, l = 0) {
 
     vitamin(str("SPR",  spring[0], spring[1] * 100, spring[2], ": Spring ", spring[0], " x ", spring[1], " x ", spring[2] ));
 
-    color([0.2, 0.2, 0.2]) render() coil(r1 = (spring[0] - spring[1])/ 2, r2 = spring[1] / 2, h = l, twists = spring[3]);
+    color(spring_color) render() coil(r1 = (spring[0] - spring[1])/ 2, r2 = spring[1] / 2, h = l, twists = spring[3]);
 
 }
 

scad/vitamins/stepper-motors.scad

@@ -31,13 +31,13 @@ module NEMA(motor) {
     cap = 8;
     vitamin(str("NEMA", round(motor[0] / 2.54), length * 10, ": NEMA", round(motor[0] / 2.54), " x ", length, " stepper motor"));
     union() {
-        color([0,0,0]) render()                                                     // black laminations
+        color(stepper_body_color) render()                                                     // black laminations
             translate([0,0, -length / 2])
                 intersection() {
                     cube([side, side, length - cap * 2],center = true);
                     cylinder(r = body_rad, h = 2 * length, center = true);
                 }
-        color([0.5,0.5,0.5]) render() {                                     // aluminium end caps
+        color(stepper_cap_color) render() {                                     // aluminium end caps
             difference() {
                 union() {
                     intersection() {

scad/vitamins/washers.scad

@@ -20,13 +20,14 @@ M3_rubber_washer= [3,  10, 1.5, true];
 function washer_diameter(type) =  type[1];
 function washer_thickness(type) = type[2];
 function washer_soft(type) = type[3];
+function washer_color(type) = washer_soft(type) ? soft_washer_color : hard_washer_color;
 
 module washer(type) {
     if(washer_soft(type))
         vitamin(str("WR", type[0] * 10, type[1], type[2] * 10, ": Rubber washer M",type[0], " x ", type[1], " x ", type[2]));
     else
         vitamin(str("WA", type[0] * 10, type[1], type[2] * 10, ": Washer M",type[0], " x ", type[1], " x ", type[2]));
-    color(washer_soft(type) ?  [0.2,0.2,0.2] : [0.8,0.8,0.8])  render() difference() {
+    color(washer_color(type))  render() difference() {
         cylinder(r = washer_diameter(type) / 2, h = washer_thickness(type));
         cylinder(r = type[0] / 2, h = 2 * washer_thickness(type) + 1, center = true);
     }
@@ -38,7 +39,7 @@ module star_washer(type) {
     inner = (hole + rad) / 2;
     spoke  = rad - hole;
     vitamin(str("WS", type[0] * 10, type[1], type[2] * 10, ": Star washer M",type[0], " x ", type[1], " x ", type[2]));
-    color([0.8,0.8,0.4]) render() difference() {
+    color(star_washer_color) render() difference() {
         cylinder(r = rad, h = washer_thickness(type));
         cylinder(r = hole, h = 2 * washer_thickness(type) + 1, center = true);
         for(a = [0:30:360])

scad/vitamins/ziptie.scad

@@ -7,7 +7,9 @@
 //
 // Zipties
 //
-small_ziptie = [2.3, 1, [4.7, 4.25, 3], [1,1,1], 20];
+
+// [width, thickness, [latch_x, latch_y, latch_z], color, length]
+small_ziptie = [2.3, 1, [4.7, 4.25, 3], small_ziptie_color, 20];
 
 function ziptie_width(type) = type[0];
 function ziptie_thickness(type) = type[1];

scad/wade.scad

@@ -181,12 +181,12 @@ function extruder_connector_height() = motor_y - d_motor_bracket_offset(NEMA17);
 
 module wades_big_gear_stl() {
     stl("wades_big_gear");
-    color([0,1,0]) import("../imported_stls/39t17p.stl");
+    color(wades_big_gear_color) import("../imported_stls/39t17p.stl");
 }
 
 module wades_small_gear_stl() {
     stl("wades_small_gear");
-    color([1,0,0])
+    color(wades_small_gear_color)
         translate([-10, -10, 0])
             import("../imported_stls/wades_gear.stl");
 }
@@ -238,7 +238,7 @@ module wades_idler_block_stl() {
 
 module wade_idler_assembly() {
 
-    color([0,1,0]) render() wades_idler_block_stl();
+    color(wades_idler_block_color) render() wades_idler_block_stl();
 
     translate([0, 0, idler_height - 2])
         rotate([90, 0, 0]) {
@@ -307,7 +307,7 @@ module wades_assembly() {
             ball_bearing(BB608);
 
         rotate([180, 0, 0])
-            color([1,0,0]) render() wades_gear_spacer_stl();
+            color(wades_gear_spacer_color) render() wades_gear_spacer_stl();
 
         translate([0, 0, -7.5])
             rotate([180, 0, 0])
@@ -330,9 +330,9 @@ module wades_assembly() {
 
     translate([75, 5 - nozzle_length / 4, 15])
         rotate([-90, 0, 0]) {
-            color([0.6, 0.5, 0.2]) cylinder(h = nozzle_length / 2 + 10, r = insulator_diameter(hot_end) / 2, center = true);
+            color(filament_viz_color) cylinder(h = nozzle_length / 2 + 10, r = insulator_diameter(hot_end) / 2, center = true);
             translate([0, 0, -nozzle_length /2 - 5])
-                color([1, 1, 0]) cylinder(h = nozzle_length / 2, r = 3, center = true);
+                color(extruder_nozzle_color) cylinder(h = nozzle_length / 2, r = 3, center = true);
         }
 
     for(side = [-1, 1])

scad/x-carriage.scad

@@ -376,7 +376,7 @@ module x_carriage_stl(){
 module x_carriage_assembly(show_extruder = false) {
     assembly("x_carriage_assembly");
 
-    color([1,0,0]) render() x_carriage_stl();
+    color(x_carriage_color) render() x_carriage_stl();
 
     if(show_extruder)
         translate([75, 15, eta])
@@ -404,7 +404,7 @@ module x_carriage_assembly(show_extruder = false) {
     //
     translate([length / 2 + base_offset, -width / 2, x_carriage_offset() - ball_bearing_diameter(X_idler_bearing) / 2]) {
         mirror([1,0,0])
-            color([0,1,0]) render() x_belt_clamp_stl();
+            color(x_belt_clamp_color) render() x_belt_clamp_stl();
         translate([-lug_width / 2, lug_screw, clamp_thickness])
             nut(M3_nut, true);
     }
@@ -420,7 +420,7 @@ module x_carriage_assembly(show_extruder = false) {
             nut(M3_nut, true);
 
     translate([-length / 2 + base_offset, -width / 2, -(clamp_thickness + belt_thickness(X_belt))]) {
-        color([0,1,0]) render() x_belt_grip_stl();
+        color(x_belt_clamp_color) render() x_belt_grip_stl();
         translate([lug_width / 2, lug_screw, 0])
             rotate([180, 0, 0])
                 screw_and_washer(M3_cap_screw, 25);
@@ -432,7 +432,7 @@ module x_carriage_assembly(show_extruder = false) {
 
         translate([25 + wall, belt_tensioner_height / 2, 0])
             rotate([90, 180, 0])
-                color([0,1,0]) render() x_belt_tensioner_stl();
+                color(x_belt_clamp_color) render() x_belt_tensioner_stl();
 
         translate([25 + wall, 0, 0])
             rotate([90, 180, 0])

scad/x-end.scad

@@ -460,7 +460,7 @@ module x_end_assembly(motor_end) {
     //
     // RP bit
     //
-    color([0,1,0]) render() x_end_bracket(motor_end, true);
+    color(x_end_bracket_color) render() x_end_bracket(motor_end, true);
     //
     // bearings
     //

scad/y-bearing-mount.scad

@@ -44,7 +44,7 @@ module bearing_mount(bearing, height, endstop) {
     endstop_h = height - bar_clamp_switch_z_offset() + microswitch_thickness() / 4;
 
     stl(str("y_bearing_mount", endstop ? "_switch" : ""));
-    color([1,0,0]) union() {
+    color(y_bearing_mount_color) union() {
         bearing_holder(bearing, height);
         for(end = [-1, 1])
             translate([end * (bearing_holder_width(bearing) / 2 - eta), -end * (bearing_holder_length(bearing) - bearing_clamp_tab)/2, -height])
@@ -62,13 +62,13 @@ module bearing_mount_holes(height)
     for(end = [-1, 1])
         translate([end * (bearing_holder_width(Y_bearings) / 2 + tab_length / 2),
                   -end * (bearing_holder_length(Y_bearings) - bearing_clamp_tab) / 2, 0])
-             cylinder(r = screw_clearance_radius, h = 100, center = true);;
+             cylinder(r = screw_clearance_radius, h = 100, center = true);
 
 module y_bearing_assembly(height, endstop = false)
 {
     //assembly("y_bearing_assembly");
 
-    color([1,0,0]) render() bearing_mount(Y_bearings, height, endstop);
+    color(y_bearing_mount_color) render() bearing_mount(Y_bearings, height, endstop);
 
     rotate([0,0,90]) {
         linear_bearing(Y_bearings);

scad/y-belt-anchor.scad

@@ -40,7 +40,7 @@ module y_belt_anchor(height, toothed) {
     recess = length - depth;
 
     stl(str("y_belt_anchor", toothed ? "_toothed" : ""));
-    color([0,1,0])  union() {
+    color(y_belt_anchor_color)  union() {
         difference() {
             union() {
                 translate([0, depth / 2, h / 2])                                                        // tall bit
@@ -86,7 +86,7 @@ module y_belt_anchor(height, toothed) {
 module y_belt_clip(toothed) {
     stl(str("y_belt_clip",  toothed ? "_toothed" : ""));
 
-    color([1, 0, 0]) union() {
+    color(y_belt_clip_color) union() {
         translate([0, 0, clamp_thickness / 2]) difference() {
             rounded_rectangle([width, depth, clamp_thickness], r = rad);
 
@@ -104,11 +104,11 @@ module y_belt_clip(toothed) {
 module y_belt_anchor_assembly(height, toothed) {
     //assembly("y_belt_anchor_assembly");
 
-    color([0, 1, 0]) render() y_belt_anchor(height, toothed);
+    color(y_belt_anchor_color) render() y_belt_anchor(height, toothed);
 
     translate([0, depth / 2, height + belt_thickness(Y_belt) + clamp_thickness]) {
         rotate([180, 0, 0])
-            color([1, 0, 0]) render() y_belt_clip(!toothed);
+            color(y_belt_clip_color) render() y_belt_clip(!toothed);
         //
         // Clamp screws
         //

scad/y-idler-bracket.scad

@@ -31,7 +31,7 @@ height = axel_height + dia / 2;
 module y_idler_bracket_stl() {
     stl("y_idler_bracket");
 
-    color([0,1,0]) intersection() {
+    color(y_idler_bracket_color) intersection() {
         difference() {
             rotate([90, 0, 90])
                 linear_extrude(height = width, center = true)                                               //side profile
@@ -79,7 +79,7 @@ module y_idler_screw_hole()
 module y_idler_assembly() {
     assembly("y_idler_assembly");
 
-    color([0,1,0]) render() y_idler_bracket_stl();
+    color(y_idler_bracket_color) render() y_idler_bracket_stl();
 
     translate([0, 0, axel_height]) rotate([0, -90, 0]) {
 

scad/y-motor-bracket.scad

@@ -27,7 +27,7 @@ module y_motor_bracket() {
     width = y_motor_bracket_width();
 
     stl("y_motor_bracket");
-        color([0,1,0]) {
+        color(y_motor_bracket_color) {
             difference() {
                 translate([0, 0, thickness - depth / 2])                    // main body
                     cube([width, height, depth], center = true);
@@ -75,7 +75,7 @@ module y_motor_bracket_holes()
 module y_motor_assembly() {
     assembly("y_motor_assembly");
 
-    color([0,1,0]) render() y_motor_bracket();
+    color(y_motor_bracket_color) render() y_motor_bracket();
     //
     // Mounting screws and washers
     //

scad/z-coupling.scad

@@ -35,7 +35,7 @@ rad = M3_nut_radius + wall;
 module z_coupling_stl(){
     stl("z_coupling");
 
-    color([1,0,0]) translate([0, 0, depth / 2]) union() {
+    color(z_coupling_color) translate([0, 0, depth / 2]) union() {
         difference(){
             linear_extrude(height = depth, center = true)
                 hull() {
@@ -89,7 +89,7 @@ module z_coupler_assembly() {
         explode([10 * side, 0, 0])
             translate([centre_line * side, 0, 0])
                 rotate([0, 90, 90 * side + 90]) {
-                    color([1,0,0]) render() translate([0, 0, -depth/2]) z_coupling_stl();
+                    color(z_coupling_color) render() translate([0, 0, -depth/2]) z_coupling_stl();
                     for(pos = [[holeX, -holeY1], [-holeX, -holeY2]])
                         translate([pos[0], pos[1], -depth/2])
                             rotate([180, 0, 0])

scad/z-limit-switch-bracket.scad

@@ -129,7 +129,7 @@ module z_limit_switch_assembly() {
 
     translate([0, 0, pos]) {
         rotate([90, 0, 0])
-            color([0, 1, 0]) render()
+            color(z_limit_switch_bracket_color) render()
                 z_limit_switch_bracket_stl();
 
         translate([screw_x - screw_head_height(M3_hex_screw), -screw_y, screw_z])

scad/z-motor-bracket.scad

@@ -36,7 +36,7 @@ module z_motor_bracket(y_offset, rhs) {
     cutout = y_offset - length / 2 - back_thickness;
 
     stl(rhs? "z_motor_bracket_rhs" : "z_motor_bracket_lhs");
-        color([0,1,0]) {
+        color(z_motor_bracket_color) {
             difference() {
                 union() {
                     //
@@ -132,7 +132,7 @@ module z_motor_bracket_holes(gantry_setback)
 module z_motor_assembly(gantry_setback, rhs, standalone = false) {
     assembly("z_motor_assembly");
 
-    color([0,1,0]) render() z_motor_bracket(gantry_setback, rhs);
+    color(z_motor_bracket_color) render() z_motor_bracket(gantry_setback, rhs);
     //
     // Clamp screw and washer
     //