separate dimensions from form

[challenge-bot] / 3d-printables / wheel.scad

diff --git a/3d-printables/wheel.scad b/3d-printables/wheel.scad
index 1d1994e45b66b7a112d62e7324c46101c86d7026..a37008333ae1207805cfa88ead7d60b11277d41e 100644 (file)
--- a/3d-printables/wheel.scad
+++ b/3d-printables/wheel.scad
@@ -9,117 +9,105 @@
 //  100 will make printing smooth
 $fn = 100;
 
+include <wheel-dimensions.scad>
 use <qr.scad>
 
-qr_size = 45;
-qr_height = 2;
+module mounting_screw_flat() {
+  circle(0.9); }
 
-wall_width = 3;
-
-wheel_width = 9;
-wheel_radius = sqrt(2 * pow(qr_size / 2, 2)) + wall_width / 2;
-
-motor_shaft_radius = 3.7;
-motor_shaft_flat_width = 4.8;
-
-tread_radius = 4 / 2;
-
-module mounting_screw_flat(){
-  circle(0.9);}
-
-module motor_shaft_flat(radius, flat_width){
-  intersection(){
+module motor_shaft_flat(radius, flat_width) {
+  intersection() {
     circle(radius);
-    square([flat_width, radius * 2], center = true);}}
+    square([flat_width, radius * 2], center = true); } }
 
 module motor_shaft(radius,
                    flat_width,
-                   shaft_length){
-  linear_extrude(height = shaft_length){
-    motor_shaft_flat(radius, flat_width);}}
+                   shaft_length) {
+  linear_extrude(height = shaft_length) {
+    motor_shaft_flat(radius, flat_width); } }
 
-module rim(radius, wall_width, wheel_width){
-  linear_extrude(height = wheel_width){
-    difference(){
+module rim(radius, wall_width, wheel_width) {
+  linear_extrude(height = wheel_width) {
+    difference() {
       circle(radius);
-      circle(radius - wall_width);}}}
+      circle(radius - wall_width); } } }
 
-module motor_shaft_holder_flat(radius, flat_width, wall_width){
-  difference(){
+module motor_shaft_holder_flat(radius, flat_width, wall_width) {
+  difference() {
     motor_shaft_flat(radius + wall_width,
                      flat_width + wall_width);
-    motor_shaft_flat(radius, flat_width);}}
+    motor_shaft_flat(radius, flat_width); } }
 
-module motor_shaft_holder(radius, flat_width, wall_width, height){
-  linear_extrude(height = height){
-    motor_shaft_holder_flat(radius, flat_width, wall_width);}}
+module motor_shaft_holder(radius, flat_width, wall_width, height) {
+  linear_extrude(height = height) {
+    motor_shaft_holder_flat(radius, flat_width, wall_width); } }
 
-module tread(wheel_radius, tread_radius){
-  rotate_extrude(convexity = 10){
-    translate([wheel_radius, 0]){
-      circle(tread_radius);}}}
+module tread(wheel_radius, tread_radius) {
+  rotate_extrude(convexity = 10) {
+    translate([wheel_radius, 0]) {
+      circle(tread_radius); } } }
 
 module wheel_black(radius,
                    width,
                    shaft_radius,
                    shaft_flat_width,
                    wall_width,
-                   tread_radius){
-  color("black"){
-    difference(){
+                   tread_radius) {
+  color("black") {
+    difference() {
       rim(radius, wall_width, width);
-      translate([0, 0, width / 2]){
-        tread(radius, tread_radius);}}
-    linear_extrude(height = qr_height){
-      difference(){
+      translate([0, 0, width / 2]) {
+        tread(radius, tread_radius); } }
+    linear_extrude(height = qr_height) {
+      difference() {
         qr_black_flat();
-        mounting_screw_flat();}}
-    translate([0, 0, qr_height]){
+        mounting_screw_flat(); } }
+    translate([0, 0, qr_height]) {
       motor_shaft_holder(shaft_radius,
                          shaft_flat_width,
                          wall_width,
-                         width - qr_height);}}}
+                         width - qr_height); } } }
 
-module wheel_white(){
-  color("white"){
-    linear_extrude(height = qr_height){
-      difference(){
+module wheel_white() {
+  color("white") {
+    linear_extrude(height = qr_height) {
+      difference() {
         qr_white_flat();
-        mounting_screw_flat();}}}}
+        mounting_screw_flat(); } } } }
 
 module wheel(radius,
              width,
              shaft_radius,
              shaft_flat_width,
              wall_width,
-             tread_radius){
+             tread_radius) {
   wheel_black(radius,
               width,
               shaft_radius,
               shaft_flat_width,
               wall_width,
               tread_radius);
-  wheel_white();}
+  wheel_white(); }
 
 module wheel_solid(radius,
                    width,
                    shaft_radius,
                    shaft_flat_width,
                    wall_width,
-                   tread_radius){
-  difference(){
+                   tread_radius) {
+  difference() {
     rim(radius, wall_width * 2, width);
-    translate([0, 0, width / 2]){
-      tread(radius, tread_radius);}}
-  linear_extrude(height = qr_height){
-    difference (){
+    translate([0, 0, width / 2]) {
+      tread(radius, tread_radius); } }
+  linear_extrude(height = qr_height) {
+    difference() {
       square(qr_size, center = true);
       mounting_screw_flat(); } }
-  translate([0, 0, qr_height]){
+  translate([0, 0, qr_height]) {
     motor_shaft_holder(shaft_radius,
                        shaft_flat_width,
                        wall_width,
-                       width - qr_height);}}
+                       width - qr_height); } }
 
 /*
 wheel(wheel_radius,