Updated readme and images

readme.md

@@ -38,16 +38,17 @@ See [usage](docs/usage.md) for requirements, installation instructions and a usa
 <tr><td> <a href = "#Iecs">Iecs</a> </td><td> <a href = "#Spades">Spades</a> </td><td> <a href = "#Ssr_shroud">Ssr_shroud</a> </td><td></td><td></td></tr>
 <tr><td> <a href = "#Inserts">Inserts</a> </td><td> <a href = "#Spools">Spools</a> </td><td> <a href = "#Strap_handle">Strap_handle</a> </td><td></td><td></td></tr>
 <tr><td> <a href = "#Jack">Jack</a> </td><td> <a href = "#Springs">Springs</a> </td><td></td><td></td><td></td></tr>
-<tr><td> <a href = "#Ldrs">Ldrs</a> </td><td> <a href = "#Ssrs">Ssrs</a> </td><td></td><td></td><td></td></tr>
-<tr><td> <a href = "#Leadnuts">Leadnuts</a> </td><td> <a href = "#Stepper_motors">Stepper_motors</a> </td><td></td><td></td><td></td></tr>
-<tr><td> <a href = "#Leds">Leds</a> </td><td> <a href = "#Toggles">Toggles</a> </td><td></td><td></td><td></td></tr>
-<tr><td> <a href = "#Light_strips">Light_strips</a> </td><td> <a href = "#Transformers">Transformers</a> </td><td></td><td></td><td></td></tr>
-<tr><td> <a href = "#Linear_bearings">Linear_bearings</a> </td><td> <a href = "#Tubings">Tubings</a> </td><td></td><td></td><td></td></tr>
-<tr><td> <a href = "#Mains_sockets">Mains_sockets</a> </td><td> <a href = "#Variacs">Variacs</a> </td><td></td><td></td><td></td></tr>
-<tr><td> <a href = "#Meter">Meter</a> </td><td> <a href = "#Veroboard">Veroboard</a> </td><td></td><td></td><td></td></tr>
-<tr><td> <a href = "#Microswitches">Microswitches</a> </td><td> <a href = "#Washers">Washers</a> </td><td></td><td></td><td></td></tr>
-<tr><td> <a href = "#Microview">Microview</a> </td><td> <a href = "#Wire">Wire</a> </td><td></td><td></td><td></td></tr>
-<tr><td> <a href = "#Modules">Modules</a> </td><td> <a href = "#Zipties">Zipties</a> </td><td></td><td></td><td></td></tr>
+<tr><td> <a href = "#Kp_pillow_blocks">Kp_pillow_blocks</a> </td><td> <a href = "#Ssrs">Ssrs</a> </td><td></td><td></td><td></td></tr>
+<tr><td> <a href = "#Ldrs">Ldrs</a> </td><td> <a href = "#Stepper_motors">Stepper_motors</a> </td><td></td><td></td><td></td></tr>
+<tr><td> <a href = "#Leadnuts">Leadnuts</a> </td><td> <a href = "#Toggles">Toggles</a> </td><td></td><td></td><td></td></tr>
+<tr><td> <a href = "#Leds">Leds</a> </td><td> <a href = "#Transformers">Transformers</a> </td><td></td><td></td><td></td></tr>
+<tr><td> <a href = "#Light_strips">Light_strips</a> </td><td> <a href = "#Tubings">Tubings</a> </td><td></td><td></td><td></td></tr>
+<tr><td> <a href = "#Linear_bearings">Linear_bearings</a> </td><td> <a href = "#Variacs">Variacs</a> </td><td></td><td></td><td></td></tr>
+<tr><td> <a href = "#Mains_sockets">Mains_sockets</a> </td><td> <a href = "#Veroboard">Veroboard</a> </td><td></td><td></td><td></td></tr>
+<tr><td> <a href = "#Meter">Meter</a> </td><td> <a href = "#Washers">Washers</a> </td><td></td><td></td><td></td></tr>
+<tr><td> <a href = "#Microswitches">Microswitches</a> </td><td> <a href = "#Wire">Wire</a> </td><td></td><td></td><td></td></tr>
+<tr><td> <a href = "#Microview">Microview</a> </td><td> <a href = "#Zipties">Zipties</a> </td><td></td><td></td><td></td></tr>
+<tr><td> <a href = "#Modules">Modules</a> </td><td></td><td></td><td></td><td></td></tr>
 </table>
 
 ---
@@ -93,8 +94,10 @@ Also single bearing balls are modelled as just a silver sphere and a BOM entry.
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
 |   1 | ```ball_bearing(BB608)``` |  Ball bearing 608-2RS 8mm x 22mm x 7mm |
+|   1 | ```ball_bearing(BB6200)``` |  Ball bearing 6200-2RS 10mm x 30mm x 9mm |
+|   1 | ```ball_bearing(BB6201)``` |  Ball bearing 6201-2RS 12mm x 32mm x 10mm |
 |   1 | ```ball_bearing(BB624)``` |  Ball bearing 624-2RS 4mm x 13mm x 5mm |
-|   2 | ``` bearing_ball(3)``` |  Steel ball 3mm |
+|   4 | ``` bearing_ball(3)``` |  Steel ball 3mm |
 
 
 <a href="#top">Top</a>
@@ -1087,6 +1090,57 @@ E.g. a "brown" socket for mains live needs to be displayed as "sienna" to look r
 |   1 | ```jack_4mm_shielded("brown", 3, "sienna")``` |  4mm shielded jack socket brown |
 
 
+<a href="#top">Top</a>
+
+---
+<a name="Kp_pillow_blocks"></a>
+## Kp_pillow_blocks
+KP pillow block bearings
+
+
+[vitamins/kp_pillow_blocks.scad](vitamins/kp_pillow_blocks.scad) Object definitions.
+
+[vitamins/kp_pillow_block.scad](vitamins/kp_pillow_block.scad) Implementation.
+
+[tests/kp_pillow_blocks.scad](tests/kp_pillow_blocks.scad) Code for this example.
+
+### Properties
+| Function | Description |
+|:--- |:--- |
+| ```kp_base_height(type)``` | Height of base containing the bolts |
+| ```kp_diameter(type)``` | Rod hole diameter |
+| ```kp_hole_offset(type)``` | Rod hole offset |
+| ```kp_screw_separation(type)``` | Separation of bolts in the base |
+
+### Functions
+| Function | Description |
+|:--- |:--- |
+| ```kp_size(type)``` | Size of bracket |
+
+### Modules
+| Module | Description |
+|:--- |:--- |
+| ```kp_pillow_block(type)``` | Draw the KP pillow block |
+| ```kp_pillow_block_assembly(type, part_thickness = 2, screw_type = M5_cap_screw, nut_type = undef)``` | Assembly with fasteners in place |
+| ```kp_pillow_block_hole_positions(type)``` | Place children at hole positions |
+
+![kp_pillow_blocks](tests/png/kp_pillow_blocks.png)
+
+### Vitamins
+| Qty | Module call | BOM entry |
+| ---:|:--- |:---|
+|   1 | ```kp_pillow_block(KP000)``` |  KP000 pillow block |
+|   1 | ```kp_pillow_block(KP001)``` |  KP001 pillow block |
+|   1 | ```kp_pillow_block(KP08)``` |  KP08 pillow block |
+|   2 | ```sliding_t_nut(M4_sliding_t_nut)``` |  Nut M4 sliding T |
+|   2 | ```sliding_t_nut(M5_sliding_t_nut)``` |  Nut M5 sliding T |
+|   2 | ```nut(M5_nut, nyloc = undef)``` |  Nut M5 x 4mm  |
+|   2 | ```screw(M4_cap_screw, 10)``` |  Screw M4 cap x 10mm |
+|   4 | ```screw(M5_cap_screw, 12)``` |  Screw M5 cap x 12mm |
+|   2 | ```washer(M4_washer)``` |  Washer  M4 x 9mm x 0.8mm |
+|   6 | ```washer(M5_washer)``` |  Washer  M5 x 10mm x 1mm |
+
+
 <a href="#top">Top</a>
 
 ---
@@ -5076,11 +5130,12 @@ Small holes can get away without it, but they print better with truncated teardr
 ### Modules
 | Module | Description |
 |:--- |:--- |
-| ```semi_teardrop(h, r, d = undef, center = true)``` | A semi teardrop in the positive Y domain |
-| ```teardrop(h, r, center = true, truncate = true)``` | For making horizontal holes that don't need support material, set ```truncate = false``` to make traditional RepRap teardrops that don't even need bridging |
-| ```teardrop_plus(h, r, center = true, truncate = true)``` | Slightly bigger teardrop to allow for the 3D printing staircase effect |
-| ```tearslot(h, r, w, center = true)``` | A horizontal slot that doesn't need support material |
-| ```vertical_tearslot(h, r, l, center = true)``` | A vertical slot that doesn't need support material |
+| ```semi_teardrop(h, r, d = undef, center = true, chamfer = 0)``` | A semi teardrop in the positive Y domain |
+| ```teardrop(h, r, center = true, truncate = true, chamfer = 0)``` | For making horizontal holes that don't need support material, set ```truncate = false``` to make traditional RepRap teardrops that don't even need bridging |
+| ```teardrop_chamfer(h, center, chamfer)``` | Helper module for adding chamfer to a teardrop |
+| ```teardrop_plus(h, r, center = true, truncate = true, chamfer = 0)``` | Slightly bigger teardrop to allow for the 3D printing staircase effect |
+| ```tearslot(h, r, w, center = true, chamfer = 0)``` | A horizontal slot that doesn't need support material |
+| ```vertical_tearslot(h, r, l, center = true, chamfer = 0)``` | A vertical slot that doesn't need support material |
 
 ![teardrops](tests/png/teardrops.png)
 

tests/kp_pillow_blocks.scad

@@ -0,0 +1,34 @@
+//
+// NopSCADlib Copyright Chris Palmer 2018
+// 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>
+use <../utils/layout.scad>
+
+include <../vitamins/kp_pillow_blocks.scad>
+include <../vitamins/nuts.scad>
+
+module kp_pillow_blocks() {
+    screws = [M4_cap_screw, M5_cap_screw, M5_cap_screw];
+    nuts = [M4_sliding_t_nut, M5_sliding_t_nut, M5_nut];
+    layout([for(k = kp_pillow_blocks) 2 * kp_size(k)[1]])
+        kp_pillow_block_assembly(kp_pillow_blocks[$i], screw_type = screws[$i], nut_type = nuts[$i]);
+}
+
+if($preview)
+    kp_pillow_blocks();
+

tests/teardrops.scad

@@ -22,25 +22,47 @@ include <../core.scad>
 module teardrops() {
     color(pp1_colour)
         rotate([90, 0, -45])
-            linear_extrude(height = 3)
-                difference() {
-                    square(40);
+            difference() {
+                linear_extrude(height = 3) {
+                    difference() {
+                        square([80, 40]);
+
+                        translate([10, 10])
+                            teardrop(h = 0, r = 3);
+
+                        translate([10, 20])
+                            teardrop_plus(h = 0, r = 3);
+
+                        translate([20, 30])
+                            tearslot(h = 0, r = 3, w = 10);
+
+                        translate([30, 15])
+                            vertical_tearslot(h = 0, r =3, l = 10);
+
+                        translate([20, 10])
+                            semi_teardrop(h = 0, r = 3);
+                    }
+                }
+                translate([40, 0, 1.5]) {
+                    h = 3 + eps;
+                    chamfer = 0.5;
 
                     translate([10, 10])
-                        teardrop(h = 0, r = 3);
+                        teardrop(h = h, r = 3, chamfer = chamfer);
 
                     translate([10, 20])
-                        teardrop_plus(h = 0, r = 3);
+                        teardrop_plus(h = h, r = 3, chamfer = chamfer);
 
                     translate([20, 30])
-                        tearslot(h = 0, r = 3, w = 10);
+                        tearslot(h = h, r = 3, w = 10, chamfer = chamfer);
 
                     translate([30, 15])
-                        vertical_tearslot(h = 0, r =3, l = 10);
+                        vertical_tearslot(h = h, r =3, l = 10, chamfer = chamfer);
 
                     translate([20, 10])
-                        semi_teardrop(h = 0, r = 3);
+                        semi_teardrop(h = h, r = 3, chamfer = chamfer);
                 }
+            }
 }
 
 teardrops();

utils/core/teardrops.scad

@@ -21,45 +21,106 @@
 //! For making horizontal holes that don't need support material.
 //! Small holes can get away without it, but they print better with truncated teardrops.
 //
-module teardrop(h, r, center = true, truncate = true) //! For making horizontal holes that don't need support material, set ```truncate = false``` to make traditional RepRap teardrops that don't even need bridging
-    render(convexity = 5)
-        extrude_if(h, center)
-           hull() {
-                circle4n(r);
-
-                if(truncate)
-                    translate([0, r / 2])
-                        square([2 * r * (sqrt(2) - 1), r], center = true);
-                else
-                    polygon([[0, 0], [eps, 0], [0, r * sqrt(2)]]);
-            }
-
-module semi_teardrop(h, r, d = undef, center = true) //! A semi teardrop in the positive Y domain
-    render(convexity = 5)
-        extrude_if(h, center)
-            intersection() {
-                R = is_undef(d) ? r : d / 2;
-                teardrop(r = R, h = 0);
-
-                sq = R + 1;
-                translate([-sq, 0])
-                    square([2 * sq, sq]);
-            }
-
-module teardrop_plus(h, r, center = true, truncate = true) //! Slightly bigger teardrop to allow for the 3D printing staircase effect
-    teardrop(h, r + layer_height / 4, center, truncate);
-
-module tearslot(h, r, w, center = true) //! A horizontal slot that doesn't need support material
-    extrude_if(h, center)
+module teardrop(h, r, center = true, truncate = true, chamfer = 0) { //! For making horizontal holes that don't need support material, set ```truncate = false``` to make traditional RepRap teardrops that don't even need bridging
+    module teardrop_2d(r, truncate) {
         hull() {
-            translate([-w/2,0,0]) teardrop(r = r, h = 0);
-            translate([ w/2,0,0]) teardrop(r = r, h = 0);
+            circle4n(r);
+            if(truncate)
+                translate([0, r / 2])
+                    square([2 * r * (sqrt(2) - 1), r], center = true);
+            else
+                polygon([[0, 0], [eps, 0], [0, r * sqrt(2)]]);
         }
+    }
+
+    render(convexity = 5)
+        extrude_if(h, center)
+            teardrop_2d(r, truncate);
+
+    teardrop_chamfer(h, center, chamfer) {
+        linear_extrude(eps, center = true)
+            teardrop_2d(r + chamfer / 2, truncate);
+        translate_z(-chamfer / 2)
+            linear_extrude(eps, center = true)
+                teardrop_2d(r, truncate);
+    }
+}
+
+module semi_teardrop(h, r, d = undef, center = true, chamfer = 0) { //! A semi teardrop in the positive Y domain
+    module semi_teardrop_2d(r, d) {
+        intersection() {
+            R = is_undef(d) ? r : d / 2;
+            teardrop(r = R, h = 0);
+
+            sq = R + 1;
+            translate([-sq, 0])
+                square([2 * sq, sq]);
+        }
+    }
+
+    render(convexity = 5)
+        extrude_if(h, center)
+            semi_teardrop_2d(r, d);
+
+    teardrop_chamfer(h, center, chamfer) {
+        linear_extrude(eps, center = true)
+            semi_teardrop_2d(r + chamfer / 2, d);
+        translate_z(-chamfer / 2)
+            linear_extrude(eps, center = true)
+                semi_teardrop_2d(r, d);
+    }
+}
+
+module teardrop_plus(h, r, center = true, truncate = true, chamfer = 0) //! Slightly bigger teardrop to allow for the 3D printing staircase effect
+    teardrop(h, r + layer_height / 4, center, truncate, chamfer);
+
+module tearslot(h, r, w, center = true, chamfer = 0) { //! A horizontal slot that doesn't need support material
+    module tearslot_2d(r, w) {
+        hull() {
+            translate([-w / 2, 0]) teardrop(r = r, h = 0);
+            translate([w / 2, 0]) teardrop(r = r, h = 0);
+        }
+    }
 
-module vertical_tearslot(h, r, l, center = true) //! A vertical slot that doesn't need support material
     extrude_if(h, center)
+        tearslot_2d(r, w);
+
+    teardrop_chamfer(h, center, chamfer) {
+        linear_extrude(eps, center = true)
+            tearslot_2d(r + chamfer / 2, w);
+        translate_z(-chamfer / 2)
+            linear_extrude(eps, center = true)
+                tearslot_2d(r, w);
+    }
+}
+
+module vertical_tearslot(h, r, l, center = true, chamfer = 0) { //! A vertical slot that doesn't need support material
+    module vertical_tearslot_2d(r, l) {
         hull() {
             translate([0,  l / 2]) teardrop(0, r, true);
-            translate([0, -l / 2])
-                circle4n(r);
+            translate([0, -l / 2]) circle4n(r);
         }
+    }
+
+    extrude_if(h, center)
+        vertical_tearslot_2d(r, l);
+
+    teardrop_chamfer(h, center, chamfer) {
+        linear_extrude(eps, center = true)
+            vertical_tearslot_2d(r + chamfer / 2, l);
+        translate_z(-chamfer / 2)
+            linear_extrude(eps, center = true)
+                vertical_tearslot_2d(r, l);
+    }
+}
+
+module teardrop_chamfer(h, center, chamfer) { //! Helper module for adding chamfer to a teardrop
+    if(h && chamfer)
+        translate_z(center ? 0 : h / 2)
+            for(m = [0, 1])
+                mirror([0, 0, m])
+                    translate_z((h - eps ) / 2)
+                        hull()
+                            children();
+}
+

vitamins/ball_bearings.scad

@@ -18,7 +18,9 @@
 //
 BB624 = ["624", 4, 13, 5, "blue"];      // 624 ball bearing for idlers
 BB608 = ["608", 8, 22, 7, "OrangeRed"]; // 608 bearings for wades
+BB6200 = ["6200", 10, 30, 9, "black"];  // 6200 bearings for KP pillow blocks
+BB6201 = ["6201", 12, 32, 10, "black"]; // 6201 bearings for KP pillow blocks
 
-ball_bearings = [BB624, BB608];
+ball_bearings = [BB624, BB608, BB6200, BB6201];
 
 use <ball_bearing.scad>

vitamins/kp_pillow_block.scad

@@ -0,0 +1,117 @@
+//
+// NopSCADlib Copyright Chris Palmer 2018
+// 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/>.
+
+//
+//! KP pillow block bearings
+//
+include <../core.scad>
+use <../utils/tube.scad>
+
+include <screws.scad>
+use <washer.scad>
+use <ball_bearing.scad>
+
+kp_pillow_block_color = grey70;
+
+function kp_diameter(type)        = type[1]; //! Rod hole diameter
+function kp_hole_offset(type)     = type[2]; //! Rod hole offset
+function kp_size(type)            = [type[3],type[8],type[5]]; //! Size of bracket
+function kp_base_height(type)     = type[7]; //! Height of base containing the bolts
+function kp_screw_separation(type) = type[4]; //! Separation of bolts in the base
+
+
+module kp_pillow_block(type) { //! Draw the KP pillow block
+    vitamin(str("kp_pillow_block(", type[0], "): ", type[0], " pillow block"));
+
+    d = kp_diameter(type);
+    H = kp_hole_offset(type);
+    L = kp_size(type)[0];
+    J = kp_screw_separation(type);
+    A = kp_size(type)[2];// sizeZ, includes protruding center
+    N = type[6];
+    H1 = kp_base_height(type);
+    H0 = kp_size(type)[1];
+    K = type[9];
+    S = type[10];
+    b = type[11];
+    bolthole_radius = type[12];
+
+    color(kp_pillow_block_color)
+        translate([0, -H, 0]) {
+            fillet = 1;
+            squareSizeX = (L - H0) / 2 + fillet;
+            rotate([-90, 0, 0])
+                linear_extrude(H1)
+                    difference() {
+                        union() {
+                            for(i = [-L / 2, L / 2 - squareSizeX])
+                                translate([i, -A / 2])
+                                    rounded_square([squareSizeX, A], fillet, center = false);
+                        }
+                        for(i = [-J / 2, J / 2])
+                            translate([i, 0])
+                                circle(r = bolthole_radius);
+                    }
+
+            translate_z(-A / 2) {
+                for(x = [- L / 2 + squareSizeX - fillet, L / 2 - squareSizeX + fillet - 2])
+                    translate([x, 0, 0])
+                        cube([2, H, A]);
+                stripLength = J - 2 * bolthole_radius;
+                stripThickness = 4;
+                translate([-stripLength / 2, 0, (H1 + stripThickness) / 2])
+                    cube([stripLength, H1, stripThickness]);
+                translate([0 , H, 0])
+                    tube(H0 / 2, b / 2, A, center = false);
+            }
+        }
+
+    not_on_bom() no_explode()
+        ball_bearing(type[13]);
+}
+
+module kp_pillow_block_hole_positions(type) { //! Place children at hole positions
+    for(x = [-kp_screw_separation(type), kp_screw_separation(type)])
+        translate([x / 2, kp_base_height(type) - kp_hole_offset(type), 0])
+            rotate([-90,0,0])
+                children();
+}
+
+module kp_pillow_block_assembly(type, part_thickness = 2, screw_type = M5_cap_screw, nut_type = undef) { //! Assembly with fasteners in place
+    kp_pillow_block(type);
+
+    screw_washer_thickness = washer_thickness(screw_washer(screw_type));
+    nut_type = is_undef(nut_type) ? screw_nut(screw_type) : nut_type;
+    nut_washer_type = nut_washer(nut_type);
+    nut_washer_thickness = nut_washer_type ? washer_thickness(nut_washer_type) : 0;
+
+    nut_offset = kp_base_height(type) + part_thickness;
+    screw_length = screw_shorter_than(nut_offset + screw_washer_thickness +  nut_thickness(nut_type) + nut_washer_thickness);
+
+    kp_pillow_block_hole_positions(type) {
+        screw_and_washer(screw_type, screw_length);
+
+        translate_z(-nut_offset)
+            vflip()
+                if(nut_washer_type)
+                    nut_and_washer(nut_type);
+                else
+                    sliding_t_nut(nut_type);
+    }
+}
+

vitamins/kp_pillow_blocks.scad

@@ -0,0 +1,35 @@
+//
+// NopSCADlib Copyright Chris Palmer 2018
+// 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/>.
+//
+
+//
+//! KP pillow block bearings
+//
+
+include <../core.scad>
+include <screws.scad>
+include <ball_bearings.scad>
+
+//                 d   H   L   J   A    N  H1  H0     K  S  b   bolthole             bearing
+KP08 =  ["KP08",   8, 18, 55, 42, 13, 4.5,  5, 29,  0.0, 0, 22, M4_clearance_radius, BB608];
+KP000 = ["KP000", 10, 18, 67, 53, 16, 7.0,  6, 35, 14.0, 4, 30, M6_clearance_radius, BB6200];
+KP001 = ["KP001", 12, 19, 71, 56, 16, 7.0,  6, 38, 14.5, 4, 32, M6_clearance_radius, BB6201];
+
+kp_pillow_blocks = [KP08,  KP000, KP001];
+
+use <kp_pillow_block.scad>