Render a preview image

.gitignore

@@ -0,0 +1 @@
+*.DS_Store

build.sh

@@ -10,4 +10,6 @@ for part in "${PARTS[@]}"
 do
    stl="./stl/takeup_${part}.stl"
    openscad -o "${stl}" -D "PART=\"${part}\";" "./takeup.scad"
-done
+done
+
+openscad --preview -o debug.png -D "PART=\"preview\";" "./takeup.scad"

takeup.scad

@@ -65,7 +65,7 @@ module magnetic_coupling (MAGNETS = 4, MAGNET_D = 8.1, MAGNET_H = 2.5) {
     }
 }
 
-module slip_attach (MAGNET_H = 2.5) {
+module slip_coupling (MAGNET_H = 2.5) {
     H = 12;
     difference () {
         cylinder(r = 45 / 2, h = H, center = true, $fn = 100);
@@ -75,11 +75,6 @@ module slip_attach (MAGNET_H = 2.5) {
     translate([0, 0, 18.25]) reel_holder();
 }
 
-module takeup () {
-    magnetic_coupling();
-    translate([0, 0, 4]) reel_attach();
-}
-
 module motor_mount_void (D, Z) {
     cylinder(r = D / 2, h = Z, center = true, $fn = 40);
     //bolt void
@@ -126,12 +121,23 @@ module mount_plate () {
     translate([-X_CORNER + (CORNER / 2), -Y_CORNER + (CORNER / 2), 3.26 - .5]) cylinder(r = CORNER, h = 7, center = true, $fn = 40);
 }
 
-PART = "slip_coupling";
+module debug_assembled () {
+    translate([(46 / 2) - 14.5, 0, 0]) rotate([180, 0, 0]) motor();
+    color("blue") translate([0, 0, 23]) rotate([0, 0, -90]) magnetic_coupling();
+    color("green") translate([8, 0, 11]) mount_plate(); 
+    translate([0, 0, 26.5]) slip_coupling();
+}
+
+//
+
+PART = "debug";
 
 if (PART == "slip_coupling") {
-    slip_attach();
+    slip_coupling();
 } else if (PART == "magnetic_coupling") {
     magnetic_coupling();
 } else if (PART == "mount_plate") {
     mount_plate(); 
+} else if (PART == "debug") {
+    debug_assembled();
 }