Build all STLs and images with new Makefile build process. Add common.scad from other projects and move geared motor module to that.

Makefile

@@ -0,0 +1,55 @@
+###################
+#
+#  takeup module OpenSCAD Makefile
+#  
+#  Permission is hereby granted, free of charge, to any person obtaining a copy
+#  of this software and associated documentation files (the "Software"), to deal
+#  in the Software without restriction, including without limitation the rights
+#  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+#  copies of the Software, and to permit persons to whom the Software is
+#  furnished to do so, subject to the following conditions:
+#  
+#  The above copyright notice and this permission notice shall be included in all
+#  copies or substantial portions of the Software.
+#  
+#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+#  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+#  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+#  SOFTWARE.
+#
+###################
+
+PREFIX=takeup
+
+OPENSCAD=openscad
+OPENSCAD_OPTIONS=-D VERBOSE=false
+OPENSCAD_IMAGE_OPTIONS=--imgsize=1024,1024 --colorscheme=DeepOcean --render
+
+STL=./stl
+IMG=./img
+MODELS=$(shell bash ./parseVars.sh PART)
+
+all:	directories models
+
+directories:
+	mkdir -p $(STL) $(IMG)
+
+models: directories $(MODELS)
+
+clean:
+	rm -f $(STL)/$(PREFIX)_*
+	rm -f $(IMG)/$(PREFIX)_*
+
+cleanall:
+	rm -rf $(STL)
+	rm -rf $(IMG)
+
+
+# Dependencies for models
+
+$(MODELS) : $(STL)/$(PREFIX)_%.stl : $(PREFIX).scad
+	$(OPENSCAD) $(OPENSCAD_OPTIONS) -o $@ -D PART=\"$(subst $(PREFIX)_,,$(subst .stl,,$(@F)))\" $<
+	$(OPENSCAD) $(OPENSCAD_OPTIONS) $(OPENSCAD_IMAGE_OPTIONS) -o $(IMG)/$(subst $(STL),$(IMG)},$(subst .stl,.png,$(@F))) -D PART=\"$(subst $(PREFIX)_,,$(subst .stl,,$(@F)))\" $<

build.sh

@@ -1,22 +0,0 @@
-#!/bin/bash
-
-mkdir -p stl
-mkdir -p img
-
-SCAD="./takeup.scad"
-PARTS=(
-	"slip_coupling"
-	"magnetic_coupling"
-	"mount_plate"
-	"daylight_spool_insert"
-)
-
-for part in "${PARTS[@]}"
-do
-   stl="./stl/takeup_${part}.stl"
-   png="./img/takeup_${part}.png"
-   openscad -o "${stl}" -D "PART=\"${part}\";" "${SCAD}"
-   openscad -o "${png}" -D "PART=\"${part}\";" --imgsize=1024,1024 --colorscheme=DeepOcean "${SCAD}"
-done
-
-openscad --preview -o debug.png -D "PART=\"preview\";" "${SCAD}"

common.scad

@@ -0,0 +1,115 @@
+
+echo("common.scad - rounded_cube()");
+module rounded_cube (cube_arr = [1, 1, 1], d = 0, center = false) {
+    off_x = 0;
+    off_y = 0;
+    r = d/2;
+    union () {
+        cube([cube_arr[0] - d, cube_arr[1], cube_arr[2]], center = center);
+        cube([cube_arr[0], cube_arr[1] - d, cube_arr[2]], center = center);
+        translate ([1 * (cube_arr[0] / 2) - r , 1 * (cube_arr[1] / 2)- r, 0]) cylinder(r = r, h = cube_arr[2], center = center);
+        translate ([-1 * (cube_arr[0] / 2) + r, -1 * (cube_arr[1] / 2) + r, 0]) cylinder(r = r, h = cube_arr[2], center = center);
+        translate ([1 * (cube_arr[0] / 2) - r, -1 * (cube_arr[1] / 2) + r, 0]) cylinder(r = r, h = cube_arr[2], center = center);
+        translate ([-1 * (cube_arr[0] / 2) + r, 1 * (cube_arr[1] / 2)- r, 0]) cylinder(r = r, h = cube_arr[2], center = center);
+    }
+}
+
+echo("common.scad - trap_cube()");
+module trap_cube(height = 19, top_x = 30, top_y = 34, bottom_x = 45, bottom_y = 65, wall_thickness = 2) {
+    difference(){
+        hull(){
+            translate([0,0,height])
+                cube([top_x, top_y, 0.1], center=true);
+                cube([bottom_x, bottom_y, 0.1], center=true);
+            }
+
+        hull(){
+            translate([0,0,height])
+                cube([top_x - wall_thickness, top_y - wall_thickness, 0.1], center=true);
+                cube([bottom_x - wall_thickness, bottom_y - wall_thickness, 0.1], center=true);
+        }
+    }
+}
+
+echo("common.scad - R()");
+function R (diameter) = diameter / 2.0;
+
+echo("common.scad - m3_nut");
+module m3_nut (H = 5) {
+    cylinder(r=R(6.6), h=H, center=true, $fn=6);
+}
+
+module opto_endstop(){
+ difference(){
+  union(){
+  // base PCB
+   color("green") cube([33.0,1.6,10.5]);
+  // add the switch module
+   translate([8.4,1.6,10.5/2-6.4/2]) optoswitch();
+   // connector
+   translate([0.2,-7,0]) color("white") cube([5.8,7,10.5]);
+   // led
+   translate([3.5,1.6,10.5/2-1.5/2]) color("red") cube([2,0.7,1.5]);
+  }
+   translate([8.4,0,10.5/2-6.4/2]) {
+   for ( hole = [2.75,24.5-2.75] ){
+    rotate([90,0,0]) translate([hole,6.4/2,-4]) cylinder(r=1.5, h=4.5,$fn=40);
+   }
+  }
+ }
+}
+
+// switch module
+module optoswitch() {
+    difference(){
+        union (){
+            color("gray") cube([24.5,3.5,6.4]);
+            color("gray")translate([6.63,0,0]) cube([4.45,11.3,6.3]);
+            color("gray")translate([13.63,0,0]) cube([4.45,11.3,6.3]);
+        }
+        for ( hole = [2.75,24.5-2.75] ){
+           rotate([90,0,0]) translate([hole,6.4/2,-4]) cylinder(r=1.5, h=4.5,$fn=40);
+        }    
+    }
+ }
+ 
+ module hex (diag = 10, h = 1) {
+    cylinder(r = diag / 2, h = h, center = true, $fn = 6);
+}
+
+//NEMA17 Stepper
+module NEMA17 ( H = 33 ) { //alt = 47.5
+    difference () {
+        cube([42, 42, H], center = true);
+        for (i = [0 : 3]) {
+            rotate([0, 0, (i * 90) + 45]) translate([29.7, 0, 0]) cube([5.5, 5.5, H + 1], center = true);
+        }
+        translate([31/2, 31/2, (H/2)-1.9]) cylinder(r = R(3), h = 4, center = true, $fn=30);
+        translate([-31/2, 31/2, (H/2)-1.9]) cylinder(r = R(3), h = 4, center = true, $fn=30);
+        translate([31/2, -31/2, (H/2)-1.9]) cylinder(r = R(3), h = 4, center = true, $fn=30);
+        translate([-31/2, -31/2, (H/2)-1.9]) cylinder(r = R(3), h = 4, center = true, $fn=30);
+    }
+    //pad
+    translate([0, 0, (H/2) + (1.9/2)]) {
+        cylinder(r = R(22), h = 1.9, center = true, $fn = 100);
+    }
+    //shaft
+    translate([0, 0, (H/2) + (22.75/2)]) {
+        difference () {
+            cylinder(r = R(5), h = 22.75, center = true, $fn = 30);
+            translate([0, 4.5, 4.7]) cube([5, 5, 22.75], center = true);
+        }
+        
+    } 
+}
+
+//Geartisan Worm Gear Motor - JSX40-370
+module geared_motor () {
+    cube([46, 32, 21], center = true);
+    translate([(46 / 2) + (30 / 2), 0, 1.5]) rotate([0, 90, 0]) cylinder(r = 24 / 2, h = 30, center = true, $fn = 80);
+    translate([-(46 / 2) + 14.5, 0, -18.5]) rotate([0, 0, 90]) motor_shaft();
+    //pad
+    translate([-(46 / 2) + 14.5, 0, -(1 / 2) - 10.5]) cylinder(r = 13 / 2, h = 1, center = true, $fn = 60);
+    //mount pads
+    translate([-0.5, 0, -(1.5 / 2) - 10.5]) motor_mounts();
+}

parseVars.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+STOPWORD="${1}"
+FILE=$(mktemp)
+TMPFILE=$(mktemp)
+
+cat takeup.scad | grep -e "${STOPWORD} ==" | awk -F'== "' '{print $2}' | awk -F'"' '{print $1}' > ${TMPFILE}
+cat ${TMPFILE} | sed 's/^/.\/stl\/takeup_/' | sed 's/$/.stl/' > ${FILE}
+
+rm -f ${TMPFILE}
+cat ${FILE} | tr '\n' ' '
+rm -f ${FILE}

takeup.scad

@@ -1,3 +1,4 @@
+include <common.scad>;
 include <daylight_spool_mount.scad>;
 
 COUPLING_D = 37;
@@ -16,17 +17,6 @@ module hex (diag = 10, h = 1) {
     cylinder(r = diag / 2, h = h, center = true, $fn = 6);
 }
 
-//Geartisan Worm Gear Motor - JSX40-370
-module motor () {
-    cube([46, 32, 21], center = true);
-    translate([(46 / 2) + (30 / 2), 0, 1.5]) rotate([0, 90, 0]) cylinder(r = 24 / 2, h = 30, center = true, $fn = 80);
-    translate([-(46 / 2) + 14.5, 0, -18.5]) rotate([0, 0, 90]) motor_shaft();
-    //pad
-    translate([-(46 / 2) + 14.5, 0, -(1 / 2) - 10.5]) cylinder(r = 13 / 2, h = 1, center = true, $fn = 60);
-    //mount pads
-    translate([-0.5, 0, -(1.5 / 2) - 10.5]) motor_mounts();
-}
-
 module motor_shaft () {
     difference () {
         cylinder(r = MOTOR_SHAFT_D / 2, h = MOTOR_SHAFT_H, center = true, $fn = 60);
@@ -154,12 +144,12 @@ module mount_plate () {
         //motor void (centered)
         translate([7, 0, 0]) {
             translate([-(46 / 2) + 15 + 1, 0, 0]) cylinder(r = 15 / 2, h = 20, center = true, $fn = 60);
-            translate([MOTOR_MOUNT_X / 2, MOTOR_MOUNT_Y / 2, 0]) motor_mount_void(D, Z);
-            translate([-MOTOR_MOUNT_X / 2, MOTOR_MOUNT_Y / 2, 0]) motor_mount_void(D, Z);
-            translate([MOTOR_MOUNT_X / 2, -MOTOR_MOUNT_Y / 2, 0]) motor_mount_void(D, Z);
-            translate([-MOTOR_MOUNT_X / 2, -MOTOR_MOUNT_Y / 2, 0]) motor_mount_void(D, Z);
+            translate([(MOTOR_MOUNT_X / 2)+1, (MOTOR_MOUNT_Y / 2), 0]) motor_mount_void(D, Z);
+            translate([-(MOTOR_MOUNT_X / 2)+1, (MOTOR_MOUNT_Y / 2), 0]) motor_mount_void(D, Z);
+            translate([(MOTOR_MOUNT_X / 2)+1, -(MOTOR_MOUNT_Y / 2), 0]) motor_mount_void(D, Z);
+            translate([-(MOTOR_MOUNT_X / 2)+1, -(MOTOR_MOUNT_Y / 2), 0]) motor_mount_void(D, Z);
             
-            translate([-8 + 12.5, 0, 0]) cube([7.5, 17, Z], center = true);
+            translate([-8 + 12.5 + 1, 0, 0]) cube([7.5, 17, Z], center = true);
         }
         
         translate([MOUNT_X / 2,  MOUNT_Y / 2, 0]) mount_plate_void();
@@ -192,9 +182,9 @@ module minimal_mount () {
 }
 
 module debug_assembled () {
-    translate([(46 / 2) - 14.5, 0, 0]) rotate([180, 0, 0]) motor();
-    color("green") translate([1, 0, 11]) mount_plate();
-    color("blue") translate([0, 0, 23]) rotate([0, 0, -90]) magnetic_coupling();
+    translate([(46 / 2) - 14.5, 0, 0]) rotate([180, 0, 0]) geared_motor();
+    color("green") translate([0, 0, 11]) mount_plate();
+    color("blue") translate([0, 0, 23]) rotate([0, 0, -90]) //magnetic_coupling();
     difference () {
         translate([0, 0, 26.5]) slip_coupling();
         translate([-50, 0, 0]) cube([100, 100, 150], center = true);
@@ -202,18 +192,19 @@ module debug_assembled () {
     color("red") translate([0, 0, 34]) daylight_spool_insert();
 }
 
-PART = "magnetic_coupling";
+PART = "mount_plate";
 
 if (PART == "slip_coupling") {
     slip_coupling();
 } else if (PART == "magnetic_coupling") {
     magnetic_coupling();
 } else if (PART == "mount_plate") {
+    //42x42 M4 mounting holes
     mount_plate(); 
 } else if (PART == "daylight_spool_insert") {
     daylight_spool_insert();
-} else if (PART == "debug") {
-    debug_assembled();
 } else if (PART == "minimal_mount") {
     minimal_mount();
+} else if (PART == "debug") {
+    debug_assembled();
 }