Added parametric printed box

tests/printed_box.scad

@@ -0,0 +1,167 @@
+//
+// NopSCADlib Copyright Chris Palmer 2020
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+
+include <../core.scad>
+include <../vitamins/screws.scad>
+use <../printed/foot.scad>
+use <../printed/printed_box.scad>
+
+foot = [13, 5, 2, 1, M3_pan_screw, 10];
+module foot_stl() foot(foot);
+
+wall = 2;
+top_thickness = 2;
+base_thickness = 2;
+case_inner_rad = 8;
+
+width = 80;
+depth = 45;
+height = 40;
+
+box1 = ["box1",  wall, top_thickness, base_thickness, false, M2_cap_screw, case_inner_rad, [8, 1], width,  depth, height];
+box2 = ["smooth_box", wall, top_thickness, base_thickness, foot,  false,        case_inner_rad, [0, 0], width,  depth, height];
+
+module box1_feet_positions() {
+    clearance = 2;
+    foot_r = foot_diameter(foot) / 2;
+    x_inset = case_inner_rad + foot_r - pbox_ridges(box1).y;
+    z_inset = foot_r + clearance;
+    h = height + base_thickness;
+
+    for(p = [[-1, -1], [1, -1], [0, 1]])
+        translate([p.x * (width / 2 - x_inset), depth / 2 + wall + pbox_ridges(box1).y, top_thickness + h / 2 + p.y * (h / 2 - z_inset)])
+            rotate([90, 0, 0])
+                children();
+}
+
+module box1_internal_additions() {
+    d = washer_diameter(screw_washer(foot_screw(foot))) + 1;
+    h = pbox_ridges(box1).y;
+    box1_feet_positions()
+        translate_z(wall - eps)
+            cylinder(d2 = d, d1 = d + 2 * h, h = h);
+
+}
+
+module box1_external_additions() {
+    amp = pbox_ridges(box1).y + eps;
+    d = foot_diameter(foot) + 1;
+    box1_feet_positions()
+        cylinder(d1 = d, d2 = d + 2 * amp, h = amp);
+}
+
+module box1_holes() {
+    box1_feet_positions()
+        teardrop(r = screw_pilot_hole(foot_screw(foot)), h = 10, center = true);
+}
+
+
+module box1_case_stl() {
+     pbox(box1) {
+        box1_internal_additions();
+        box1_holes();
+        box1_external_additions();
+     }
+}
+
+module box1_base_additions() {
+}
+
+module box1_base_holes() {
+}
+
+module box1_base_stl()
+    pbox_base(box1) {
+        box1_base_additions();
+        box1_base_holes();
+    }
+
+module box1_assembly()
+assembly("box1") {
+    color(pp1_colour) render() box1_case_stl();
+
+    pbox_inserts(box1);
+
+    pbox_base_screws(box1);
+
+    box1_feet_positions() {
+        foot_assembly(0, foot);
+
+        vflip()
+            translate_z(foot_thickness(foot))
+                screw_and_washer(foot_screw(foot), 6);
+    }
+
+    translate_z(height + top_thickness + base_thickness + eps) vflip()
+         %render() box1_base_stl();
+}
+
+module box2_internal_additions() {
+}
+
+module box2_holes() {
+}
+
+module box2_external_additions() {
+}
+
+module box2_case_stl() {
+    pbox(box2) {
+        box2_internal_additions();
+        box2_holes();
+        box2_external_additions();
+    }
+}
+
+module box2_base_additions() {
+}
+
+module box2_base_holes() {
+}
+
+module box2_base_stl()
+    pbox_base(box2) {
+        box2_base_additions();
+        box2_base_holes();
+    }
+
+module box2_assembly()
+assembly("box2") {
+    color(pp1_colour) render() box2_case_stl();
+
+    pbox_inserts(box2);
+
+    pbox_base_screws(box2);
+
+    translate_z(height + top_thickness + base_thickness + eps) vflip()
+         %render() box2_base_stl();
+}
+
+
+module printed_boxes() {
+    rotate(180)
+        box1_assembly();
+
+    translate([100, 0])
+        box2_assembly();
+
+}
+
+if($preview)
+    printed_boxes();