Update sprocketed roller design to use a nut to lock in place

app/data/cfg.json

@@ -1,5 +1,5 @@
 {
-  "version": "1.8.131",
+  "version": "1.8.132",
   "ext_port": 1111,
   "profiles": {
     "mcopy": {

app/package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "mcopy-app",
-  "version": "1.8.131",
+  "version": "1.8.132",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {

app/package.json

@@ -1,6 +1,6 @@
 {
   "name": "mcopy-app",
-  "version": "1.8.131",
+  "version": "1.8.132",
   "description": "GUI for the mcopy small gauge film optical printer platform",
   "main": "main.js",
   "scripts": {

data/cfg.json

@@ -1,5 +1,5 @@
 {
-  "version": "1.8.131",
+  "version": "1.8.132",
   "ext_port": 1111,
   "profiles": {
     "mcopy": {

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "mcopy",
-  "version": "1.8.131",
+  "version": "1.8.132",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "mcopy",
-      "version": "1.8.131",
+      "version": "1.8.132",
       "license": "MIT",
       "dependencies": {
         "alert": "file:app/lib/alert",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mcopy",
-  "version": "1.8.131",
+  "version": "1.8.132",
   "description": "Small gauge film optical printer platform",
   "main": "build.js",
   "directories": {

processing/mcopy/cfg.json

@@ -1,5 +1,5 @@
 {
-  "version": "1.8.131",
+  "version": "1.8.132",
   "ext_port": 1111,
   "profiles": {
     "mcopy": {

scad/mcopy_gate.scad

@@ -1,4 +1,5 @@
-include <./common/common.scad>;
+use <./common/common.scad>;
+use <./sprocketed_roller/sprocketed_roller_var.scad>;
 
 PlateZ = 1.3 + 1;
 PlateX = 35.1;
@@ -31,6 +32,47 @@ Standard16OffsetY = 0.75;
 Super16X = 12.4;
 Super16Y = 7.5;
 
+BodyZ = 50.66;
+BodyY = 116.1;
+BodyX = 18.44;
+
+FrontBodyVoid = 12;
+
+KeySpacingY = 57.4 - .2;
+KeyZ = -13.25;
+
+BearingOuterDiameter = 21.6;
+BearingInnerDiameter = 8.05;
+
+IdleRollerSpacingAY = 66;
+IdleRollerSpacingBY = 102;
+
+IdleRollerAZ = 31;
+IdleRollerBZ = 44.2;
+
+//DEBUG VARIABLES
+FilmZ = -3.5;
+
+GateBoltX = 21.2;
+GateBoltSpacingY = 105;
+
+module bearing_void (pos = [0, 0, 0], rot = [0, 0, 0], width= 8) {
+    fuzz = 0.3;
+    translate (pos) rotate(rot) {
+        difference () {
+            cylinder(r = R(BearingOuterDiameter) + fuzz, h = width, center = true, $fn = 90);
+        }
+    }
+}
+
+module bearing_debug (pos = [0, 0, 0], rot = [0, 0, 0]) {
+    $fn = 60;
+    translate(pos) rotate(rot) difference() {
+        color("green") cylinder(r = R(21.5), h = 7, center = true);
+        cylinder(r = R(8), h = 7 + 1, center = true);
+    }
+}
+
 module perf_void (pos = [0, 0, 0]) {
     translate(pos) cube([2.5, 1.99, 10], center = true);
 }
@@ -71,8 +113,8 @@ module front_plate () {
         translate([(-PlateX / 2) + PlateBoltX, PlateBoltSpacingY / 2, 0]) cylinder(r = R(BoltD), h = 10, center = true , $fn = 30);
         translate([(-PlateX / 2) + PlateBoltX, -PlateBoltSpacingY / 2, 0]) cylinder(r = R(BoltD), h = 10, center = true , $fn = 30);
         //alignment rod voids
-        translate([(-PlateX / 2) + AlignmentX, AlignmentSpacingY / 2, 0]) cylinder(r = R(AlignmentD + 0.25), h = 10, center = true , $fn = 30);
+        translate([(-PlateX / 2) + AlignmentX, AlignmentSpacingY / 2, 0]) cylinder(r = R(AlignmentD + 0.45), h = 10, center = true , $fn = 30);
-        translate([(-PlateX / 2) + AlignmentX, -AlignmentSpacingY / 2, 0]) cylinder(r = R(AlignmentD + 0.25), h = 10, center = true , $fn = 30);
+        translate([(-PlateX / 2) + AlignmentX, -AlignmentSpacingY / 2, 0]) cylinder(r = R(AlignmentD + 0.45), h = 10, center = true , $fn = 30);
         //gate bolt void
         translate([-6, 0, 0]) cylinder(r = R(BoltD), h = 20, center = true, $fn = 40);
         translate([-6, 0, 10]) cylinder(r = R(4.5), h = 20, center = true, $fn = 40);
@@ -96,20 +138,20 @@ module gate_mask_text (format = "") {
 module gate_mask_slide (pos = [0, 0, 0], pad = 0.0, format = "") {
     Z = -1;
     GuideAdjust = -1.5;
-    FormatBevelY = format == "super16" ? 5 : 5.5;
+    FormatBevelY = format == "super16" ? 4.5 : 5;
-
+    PadZ = format == "" ? 0.3 : 0;
+    FrontMaskZ = 0.375;
     translate(pos) {
         difference () {
             union () {
                 translate([0, 0, Z]) cube([20, FrontPlateVoidY + pad, PlateZ + 2], center = true);
-                translate([-8, 0, Z]) cube([20, 8 + pad, PlateZ + 2], center = true);
+                translate([-8, 0, Z]) cube([20, 8 + pad, PlateZ + 2 + PadZ], center = true);
                 intersection () {
-                            translate([0, 0, Z]) cube([20, 100, PlateZ + 2], center = true);
+                    translate([0, 0, Z]) cube([20, 100, PlateZ + 2], center = true);
                     union () {
                         translate([0, FrontPlateVoidY / 2 + GuideAdjust, Z]) rotate([45, 0, 0]) cube([20, PlateZ + 2 + pad, PlateZ + 2 + pad], center = true);
                         translate([0, -FrontPlateVoidY / 2 - GuideAdjust, Z]) rotate([45, 0, 0]) cube([20, PlateZ + 2 + pad, PlateZ + 2 + pad], center = true);
                     }
-                    
                 }
                 if (format != "") {
                     translate([(20 / 2) + 0.1, 0, -3.5]) difference () {
@@ -120,16 +162,16 @@ module gate_mask_slide (pos = [0, 0, 0], pad = 0.0, format = "") {
             }
             // difference
             if (format != "") {
+                translate([0, 0, ((PlateZ + 2) / 2) - Z - FrontMaskZ]) cube([100, 100, PlateZ + 2], center = true); 
                 //alignment
                 translate([-14.5, 0, 0]) {
                     cylinder(r = R(BoltD), h = 20, center = true, $fn = 40);
-                    translate([0, 0, -3.5]) scale([2.5/3,2.5/3,1]) m3_nut();
+                    translate([0, 0, -3.5]) scale([2.5/3, 2.5/3, 1]) m3_nut();
                 }
                 gate_mask_text(format);
                 difference () {
                     film_clearance_void([0, 0, 1 + 0.2]);
                     if (format == "standard16" || format == "super16") {
-                        
                         difference () {
                             cube([BackPlateVoidX + 10, BackPlateVoidY + 6, 10], center = true);
                             translate([0, BackPlateVoidY / 2 + FormatBevelY, 4.5]) rotate([-20, 0, 0]) cube([FrontPlateClearanceX + 3, 10, 10], center = true);
@@ -142,23 +184,18 @@ module gate_mask_slide (pos = [0, 0, 0], pad = 0.0, format = "") {
             if (format == "standard16") {
                 translate([0, 0, 0]) {
                     cube([BackPlateVoidX, BackPlateVoidY, 10], center = true);
-                    translate([0, 0, -4.5]) trap_cube(height = 5, top_x = BackPlateVoidX, top_y = BackPlateVoidY, bottom_x = BackPlateVoidX + 5, bottom_y = BackPlateVoidY + 5, wall_thickness = 50);
+                    translate([0, 0, -4.75]) trap_cube(height = 5, top_x = BackPlateVoidX, top_y = BackPlateVoidY, bottom_x = BackPlateVoidX + 5, bottom_y = BackPlateVoidY + 5, wall_thickness = 50);
                 }
             } else if (format == "super16") {
                 translate([(-BackPlateVoidX / 2) + (Super16X / 2), 0, 0]) {
                     cube([Super16X, Super16Y, 10], center = true);
-                    translate([0, 0, -4.5]) trap_cube(height = 5, top_x = Super16X, top_y = Super16Y, bottom_x = Super16X + 5, bottom_y = Super16Y + 5, wall_thickness = 50);
+                    translate([0, 0, -4.75]) trap_cube(height = 5, top_x = Super16X, top_y = Super16Y, bottom_x = Super16X + 5, bottom_y = Super16Y + 5, wall_thickness = 50);
-                    }
+                }           
-                
             }
         }
-        //translate([0, 0, -5])  trap_cube(height = 5, top_x = BackPlateVoidX, top_y = BackPlateVoidY, bottom_x = BackPlateVoidX + 5, bottom_y = BackPlateVoidY + 5, wall_thickness = 50);
     }
-
 }
 
-
-
 module gate_mask_slide_standard16 (pos = [0, 0, 0]) {
     gate_mask_slide(pos, pad = 0.0, format = "standard16");
 }
@@ -201,8 +238,7 @@ module film_entry_bevel (pos = [0, 0, 0]) {
         translate([0, Offset, Offset]) rotate([0, 90, 0]) cylinder(r = R(D), h = 40 + 1, center = true);
         translate([0, -Offset, Offset]) rotate([0, 90, 0]) cylinder(r = R(D), h = 40 + 1, center = true);
         translate([0, Offset, -Offset]) rotate([0, 90, 0]) cylinder(r = R(D), h = 40 + 1, center = true);
-        translate([0, -Offset, -Offset]) rotate([0, 90, 0]) cylinder(r = R(D), h = 40 + 1, center = true);
+        translate([0, -Offset, -Offset]) rotate([0, 90, 0]) cylinder(r = R(D), h = 40 + 1, center = true); 
-        
     }
 }
 
@@ -214,7 +250,6 @@ module film_entry_side_bevel (pos = [0, 0, 0]) {
         cube([5, 40, 5], center = true);
         translate([-Offset, 0, Offset]) rotate([90, 0, 0]) cylinder(r = R(D), h = 40 + 1, center = true);
         translate([-Offset, 0, -Offset]) rotate([90, 0, 0]) cylinder(r = R(D), h = 40 + 1, center = true);
-        
     }
 }
 
@@ -223,7 +258,7 @@ module back_plate_void (pos = [0, 0, 0]) {
         //large void
         translate([(PlateX / 2) - (20 / 2) - (FrontPlateVoidX / 2) , 0, 0]) {
             cube([20, FrontPlateVoidY + 0.2, 10], center = true);
-            gate_mask_slide( pad = 0.2);
+            gate_mask_slide( pad = 0.3);
         }
         //film clearance 
         film_clearance_void([0, 0, 1 + 0.2]);
@@ -258,18 +293,227 @@ module back_plate () {
     translate([(-PlateX / 2) + AlignmentX, -AlignmentSpacingY / 2, RodZ / 2]) cylinder(r = R(AlignmentD), h = RodZ, center = true , $fn = 30);
 }
 
-module debug () {
+module sprocketed_roller_16mm (pos = [0, 0, 0], rot = [0, 0, 0]) {
-    front_plate();
+    $fn = 160;
-    translate([0, 0, -8]) back_plate();
+    TaperD = 19.05;
-    gate_mask_slide_standard16([(PlateX / 2) - (FrontPlateVoidX / 2) - 1.9, 0, -8]);
+    TaperH = 5;
-    //gate_mask_slide_super16([(PlateX / 2) - (FrontPlateVoidX / 2) - 2.41, 0, -3]);
+    translate(pos) rotate(rot) difference() {
-    //front_plate_void([(PlateX / 2) - (FrontPlateVoidX / 2) - 2.41, 0, 0]);
+        union () {
-    //film_clearance_void([0, 0, 15]);
+            sprocketed_roller(bevel = true);
-    translate([8, 0, -1.5]) cube([16, 50, 0.1], center = true);
+            translate([0, 0, 3.85]) cylinder(r1 = R(TaperD), r2 = R(TaperD - TaperH), h = TaperH, center = true);
-    
+            translate([0, 0, 0]) cylinder(r = R(11), h = 9.5, center = true, $fn = 60);
+            translate([0, 0, -10]) cylinder(r = R(8.3), h = 17, center = true, $fn = 60);
+            translate([0, 0, -21.15]) cylinder(r = R(6), h = 10, center = true);
+        }
+        //registration mark
+        translate([0, 20, 16.1]) rotate([0, 45, 0]) cube([1, 40, 1], center = true);
+        translate([0, 0, 15.9]) cylinder(r = R(2.5), h = 1, center = true, $fn = 30);
+        //pressure relief hole
+        cylinder(r = R(1.5), h = 50, center = true, $fn = 30);
+        //void for key
+        translate([0, 0, -21.15 - 5]) cube([7.95 + 1, 2.37, 10], center = true);
+        translate([(-15 / 2) - (6 / 2) + 0.2, 0, -30]) cube([15, 15, 40], center = true);
+        //m2.5 bolt
+        translate([0, 0, -15.85]) rotate([0, 90, 0]) cylinder(r = R(2.75), h = 30, center = true, $fn = 30);
+    }
 }
 
-PART="gate_mask_slide_super16";
+//m2.5 bolt
+//m2.5 nut
+module sprocketed_roller_nut_16mm (pos = [0, 0, 0], rot = [0, 0, 0]) {
+    $fn = 80;
+    translate(pos) rotate(rot) difference() {
+        union () {
+            translate([0, 0, -5]) cylinder(r = R(11), h = 7, center = true);
+            translate([0, 0, -6.5]) cylinder(r = R(18), h = 8, center = true);
+        }
+        translate([0, 0, 11.6]) difference () {
+            union () {
+                cylinder(r = R(8.7), h = 40, center = true);
+                translate([0, 0, -12.6 - 7.5]) cylinder(r = R(6.5), h = 8, center = true);
+            }
+            translate([-(15 / 2) - (6 / 2), 0, -5]) cube([15, 15, 40], center = true);
+        }
+        translate([0, 0, -6]) rotate([0, 90, 0]) {
+            cylinder(r = R(2.5), h = 30, center = true, $fn = 30);
+            translate([0, 0, -21]) cylinder(r = R(4.5), h = 30, center = true, $fn = 30);
+            translate([0, 0, 22]) scale([2.5/3, 2.5/3, 1]) m3_nut(30);
+        }
+    }
+}
+
+module m3_nut_bolt (pos = [0, 0, 0], rot = [0, 0, 0], nut = 5, bolt = 30) {
+    translate(pos) rotate(rot) {
+        m3_nut(nut);
+        cylinder(r = R(3.5), h = bolt, center = true, $fn = 30);
+    }
+}
+
+module body (pos = [0, 0, 0], gauge = "16mm") {
+    translate(pos) difference() {
+        union () {
+            cube([BodyX, BodyY, BodyZ], center = true);
+        }
+
+        //bearings for keys
+        bearing_void([-2, KeySpacingY / 2, (BodyZ / 2) + KeyZ], [0, 90, 0], width = BodyX);
+        bearing_void([-2, -KeySpacingY / 2, (BodyZ / 2) + KeyZ], [0, 90, 0], width = BodyX);
+
+        translate([0, KeySpacingY / 2, (BodyZ / 2) + KeyZ]) rotate([0, 90, 0]) cylinder(r = R(12.5), h = BodyX + 1, center = true, $fn = 60);
+        translate([0, -KeySpacingY / 2, (BodyZ / 2) + KeyZ]) rotate([0, 90, 0]) cylinder(r = R(12.5), h = BodyX + 1, center = true, $fn = 60);
+    
+        //front block
+        translate([0, 0, (BodyZ / 2) - (FrontBodyVoid / 2) + 0.1]) cube([BodyX + 1, PlateY + 2, FrontBodyVoid], center = true);
+    
+        //side light channel
+        //translate([BodyX - 1.25, 0, 0]) cube([BodyX, PlateY + 2, BodyZ + 1], center = true);
+    
+        //slide channel
+        translate([-BodyX + 7.5, 0, 0]) cube([BodyX, PlateY + 2, BodyZ + 1], center = true);
+
+        //add slides
+        m3_nut_bolt([8, 13.2, 8], [0, 90, 0]);
+        m3_nut_bolt([8, -13.2, 8], [0, 90, 0]);
+        m3_nut_bolt([8, 13.2, -18], [0, 90, 0]);
+        m3_nut_bolt([8, -13.2, -18], [0, 90, 0]);
+    
+        //filter holder bolts
+        m3_nut_bolt([0, 13.2, -5], [0, 90, 0]);
+        m3_nut_bolt([0, -13.2, -5], [0, 90, 0]);
+
+        //idle rollers
+        m3_nut_bolt([-2, IdleRollerSpacingAY / 2, (BodyZ / 2) - IdleRollerAZ], [0, 90, 0], nut = BodyX, bolt = BodyX + 40);
+        m3_nut_bolt([-2, -IdleRollerSpacingAY / 2, (BodyZ / 2) - IdleRollerAZ], [0, 90, 0], nut = BodyX, bolt = BodyX + 40);
+        m3_nut_bolt([-2, IdleRollerSpacingAY / 2, (BodyZ / 2) - IdleRollerBZ], [0, 90, 0], nut = BodyX, bolt = BodyX + 40);
+        m3_nut_bolt([-2, -IdleRollerSpacingAY / 2, (BodyZ / 2) - IdleRollerBZ], [0, 90, 0], nut = BodyX, bolt = BodyX + 40);
+        m3_nut_bolt([-2, IdleRollerSpacingBY / 2, (BodyZ / 2) - IdleRollerBZ], [0, 90, 0], nut = BodyX, bolt = BodyX + 40);
+        m3_nut_bolt([-2, -IdleRollerSpacingBY / 2, (BodyZ / 2) - IdleRollerBZ], [0, 90, 0], nut = BodyX, bolt = BodyX + 40);
+    
+        //mounting bolts
+        translate([0, GateBoltSpacingY / 2, (BodyZ / 2) - GateBoltX]) rotate([0, 90, 0]) cylinder(r = R(5.5), h = 40, center = true, $fn = 40);
+        translate([0, -GateBoltSpacingY / 2, (BodyZ / 2) - GateBoltX]) rotate([0, 90, 0]) cylinder(r = R(5.5), h = 40, center = true, $fn = 40);
+    
+        //post voids
+        translate([0, 87.75 / 2, BodyZ / 2]) cylinder(r = R(8), h = 40, center = true, $fn = 80);
+        translate([0, -87.75 / 2, BodyZ / 2]) cylinder(r = R(8), h = 40, center = true, $fn = 80);
+        
+        //spring void
+        translate([3, 0, BodyZ / 2]) cylinder(r = R(5), h = 50, center = true, $fn = 60);
+    }
+}
+
+module idle_roller_16mm (pos = [0, 0, 0], rot = [0, 0, 0]) {
+    $fn = 80;
+    translate(pos) rotate(rot) {
+        difference () {
+            union () {
+                cylinder(r = R(12), h = 18, center = true);
+            }
+
+            translate([0, 0, 18 - 2]) cylinder(r = R(10), h = 18, center = true);
+            
+            cylinder(r = R(8), h = 40, center = true);
+
+            for (i = [0 : $fn]) {
+                rotate([0, 0, i * (360 / $fn)]) translate([11, 0, 0]) rotate([90, 0, 0]) scale([1, 2, 1]) cylinder(r = R(12), h = 10, center = true, $fn = 50);
+            }
+        }
+    }
+}
+
+module idle_roller_post_16mm (pos = [0, 0, 0], rot = [0, 0, 0]) {
+    $fn = 80;
+    translate(pos) rotate(rot) {
+        difference () {
+            union () {
+                cylinder(r = R(7.2), h = 19, center = true);
+                translate([0, 0, (19 / 2) - (2 / 2)]) cylinder(r = R(9.2), h = 2, center = true);
+            }
+            cylinder(r = R(3.75), h = 40, center = true);
+            translate([0, 0, (19 / 2) - (3 / 2) + 0.01]) cylinder(r = R(6), h = 3, center = true);
+        }
+    }
+}
+
+module slide_rail (pos = [0, 0, 0], side = "A") {
+    BoltSpacingZ = 26;
+    OffsetY = side == "A" ? 1.5 : -1.5;
+    OffsetZ = 1;
+    SlideY = side == "A" ? -6 : 6;
+    translate(pos) difference() {
+        cube([7, 9, BodyZ - 16], center = true);
+        translate([1.25, SlideY, 0]) cube([2.4, 10, BodyZ - 12 + 1], center = true);
+        translate([0, OffsetY, OffsetZ]) {
+            translate([0, 0, BoltSpacingZ / 2]) rotate([0, 90, 0]) {
+                cylinder(r = R(3.5), h = 10, center = true, $fn = 40);
+                translate([0, 0, -5]) cylinder(r = R(6), h = 10, center = true, $fn = 40);
+            }
+            translate([0, 0, -BoltSpacingZ / 2]) rotate([0, 90, 0]) {
+                cylinder(r = R(3.5), h = 10, center = true, $fn = 40);
+                translate([0, 0, -5]) cylinder(r = R(6), h = 10, center = true, $fn = 40);
+            }
+        }
+    }
+}
+
+module slide (pos = [0, 0, 0]) {
+    translate(pos) {
+        difference() {
+            union () {
+                cube([6.5, 13, BodyZ - 10], center = true);
+                translate([1.25, 0, 0]) cube([1.7, 20, BodyZ - 10], center = true);
+                translate([0, 0, (BodyZ / 2) - 3]) cube([6.5, 20.5, 9], center = true);
+            }
+            translate([1, 0, (BodyZ / 2) - 1.1]) cube([6.5, 20.5 + 1, 8], center = true);
+            //bolts
+            translate([0, PlateBoltSpacingY / 2, (BodyZ / 2) - 2]) cylinder(r = R(BoltD), h = 10, center = true , $fn = 30);
+            translate([0, -PlateBoltSpacingY / 2, (BodyZ / 2) - 2]) cylinder(r = R(BoltD), h = 10, center = true , $fn = 30);
+            //hole for notch
+            translate([0, 0, 23 - 26.7]) rotate([0, 90, 0]) {
+                cylinder(r = R(6), h = 20, center = true, $fn = 80);
+                translate([0, 0, -3]) cylinder(r2 = R(6), r1 = R(8), h = 2, center = true, $fn = 80);
+            }
+        }
+    }
+}
+
+module debug () {
+    difference () {
+        union () {
+            FilmZ = -3.5 - 3.6; //retraction distance
+            //translate([0, 0, FilmZ + 1.4]) front_plate();
+            //translate([0, 0, FilmZ - 1.4]) back_plate();
+            gate_mask_slide_standard16([(PlateX / 2) - (FrontPlateVoidX / 2) - 1.9, 0, FilmZ - 1.4]);
+            //gate_mask_slide_super16([(PlateX / 2) - (FrontPlateVoidX / 2) - 2.41, 0, -3]);
+            //front_plate_void([(PlateX / 2) - (FrontPlateVoidX / 2) - 2.41, 0, 0]);
+            //film_clearance_void([0, 0, 15]);
+            translate([8, 0, FilmZ]) cube([16, 150, 0.1], center = true);
+            //sprocketed_roller_16mm([1.5, KeySpacingY / 2, KeyZ], [0, 90, 0]);
+            sprocketed_roller_16mm([1.5, -KeySpacingY / 2, KeyZ], [0, 90, 0]);
+
+            bearing_debug([-6.8, KeySpacingY / 2, KeyZ], [0, 90, 0]);
+            bearing_debug([-6.8, -KeySpacingY / 2, KeyZ], [0, 90, 0]);
+
+            color("blue") sprocketed_roller_nut_16mm([-8.5, -KeySpacingY / 2, KeyZ], [0, 90, 0]);
+            translate([(-BodyX / 2) - 1, 0, -BodyZ / 2]) body(gauge = "16mm");
+        
+            idle_roller_16mm([9, IdleRollerSpacingAY / 2, (BodyZ / 2) - IdleRollerAZ - (BodyZ / 2)], [0, 90, 0]);
+            idle_roller_16mm([9, -IdleRollerSpacingAY / 2, (BodyZ / 2) - IdleRollerAZ - (BodyZ / 2)], [0, 90, 0]);
+            /*idle_roller_16mm([9, IdleRollerSpacingAY / 2, (BodyZ / 2) - IdleRollerBZ - (BodyZ / 2)], [0, 90, 0]);
+            idle_roller_16mm([9, -IdleRollerSpacingAY / 2, (BodyZ / 2) - IdleRollerBZ - (BodyZ / 2)], [0, 90, 0]);
+            idle_roller_16mm([9, IdleRollerSpacingBY / 2, (BodyZ / 2) - IdleRollerBZ - (BodyZ / 2)], [0, 90, 0]);
+            idle_roller_16mm([9, -IdleRollerSpacingBY / 2, (BodyZ / 2) - IdleRollerBZ - (BodyZ / 2)], [0, 90, 0]);
+            */
+            slide_rail([-BodyX + (7 / 2) - 0.6, 11.5, (-BodyZ / 2) - 6], "A");
+            slide_rail([-BodyX + (7 / 2) - 0.6, -11.5, (-BodyZ / 2) - 6], "B");
+        
+            slide([-BodyX + (7 / 2) - 0.6, 0, FilmZ + (-BodyZ / 2) + 1]);
+        }
+        translate([0, -79, -50]) cube([100, 100, 100], center = true);
+    }
+}
+
+PART="body_16mm";
 
 if (PART == "front_plate") {
     rotate([0, 180, 0]) front_plate();
@@ -278,10 +522,25 @@ if (PART == "front_plate") {
 } else if (PART == "gate_mask_slide") {
     gate_mask_slide();
 } else if (PART == "gate_mask_slide_standard16") {
-    gate_mask_slide_standard16();
+    rotate([180, 0, 0]) gate_mask_slide_standard16();
 } else if (PART == "gate_mask_slide_super16") {
-    gate_mask_slide_super16();
+    rotate([180, 0, 0]) gate_mask_slide_super16();
-    
+} else if (PART == "sprocketed_roller_16mm") {
+    sprocketed_roller_16mm();
+} else if (PART == "sprocketed_roller_nut_16mm") {
+    sprocketed_roller_nut_16mm();
+} else if (PART == "idle_roller_16mm") {
+    idle_roller_16mm();
+} else if (PART == "idle_roller_post_16mm") {
+    idle_roller_post_16mm();
+} else if (PART == "slide") {
+    slide();
+} else if (PART == "slide_rail_a") {
+    slide_rail(side = "A");
+} else if (PART == "slide_rail_b"){
+    slide_rail(side = "B");
+} else if (PART == "body_16mm") {
+    rotate([0, 90, 0]) body(gauge = "16mm");
 } else {
     debug();
 }

scad/mcopy_projector.scad

@@ -51,6 +51,14 @@ module bearing_void (pos = [0, 0, 0], width= 8) {
 	}
 }
 
+module bearing_debug (pos = [0, 0, 0]) {
+	$fn = 60;
+	translate(pos) difference() {
+		cylinder(r = R(21.5), h = 7, center = true);
+		cylinder(r = R(8), h = 7, center = true);
+	}
+}
+
 module key_void (pos = [0, 0, 0]) {
 	translate(pos) {
 		cylinder(r = R(KeyVoidD), h = 6 + 1, center = true, $fn = 50);

scad/sprocketed_roller

@@ -1 +1 @@
-Subproject commit b4ea887d588a3728dfcb0fc64dc9195f278b7b1f
+Subproject commit e8f2e63b2efe35621479d3b9f4dc6a710a57dfe6