diff --git a/app/data/cfg.json b/app/data/cfg.json
index bebf86d..503590b 100644
--- a/app/data/cfg.json
+++ b/app/data/cfg.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.158",
+  "version": "1.8.159",
   "ext_port": 1111,
   "profiles": {
     "mcopy": {
diff --git a/app/package-lock.json b/app/package-lock.json
index b5426d7..266bdf1 100644
--- a/app/package-lock.json
+++ b/app/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "mcopy-app",
-  "version": "1.8.158",
+  "version": "1.8.159",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/app/package.json b/app/package.json
index 7b5bf93..1362084 100644
--- a/app/package.json
+++ b/app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mcopy-app",
-  "version": "1.8.158",
+  "version": "1.8.159",
   "description": "GUI for the mcopy small gauge film optical printer platform",
   "main": "main.js",
   "scripts": {
diff --git a/data/cfg.json b/data/cfg.json
index bebf86d..503590b 100644
--- a/data/cfg.json
+++ b/data/cfg.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.158",
+  "version": "1.8.159",
   "ext_port": 1111,
   "profiles": {
     "mcopy": {
diff --git a/package-lock.json b/package-lock.json
index 4a66b5e..eb34b81 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "mcopy",
-  "version": "1.8.158",
+  "version": "1.8.159",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "mcopy",
-      "version": "1.8.158",
+      "version": "1.8.159",
       "license": "MIT",
       "dependencies": {
         "alert": "file:app/lib/alert",
diff --git a/package.json b/package.json
index 362789e..0739f43 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mcopy",
-  "version": "1.8.158",
+  "version": "1.8.159",
   "description": "Small gauge film optical printer platform",
   "main": "build.js",
   "directories": {
diff --git a/processing/mcopy/cfg.json b/processing/mcopy/cfg.json
index bebf86d..503590b 100644
--- a/processing/mcopy/cfg.json
+++ b/processing/mcopy/cfg.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.158",
+  "version": "1.8.159",
   "ext_port": 1111,
   "profiles": {
     "mcopy": {
diff --git a/scad/jk_takeup.scad b/scad/jk_takeup.scad
index e729e50..06afa5d 100755
--- a/scad/jk_takeup.scad
+++ b/scad/jk_takeup.scad
@@ -13,9 +13,35 @@ MOTOR_SHAFT_HOBBLE = 1;
 MOTOR_MOUNT_X = 32.5;
 MOTOR_MOUNT_Y = 17.5;
 
-module hex (diag = 10, h = 1) {
-    cylinder(r = diag / 2, h = h, center = true, $fn = 6);
-}
+
+ARM_LENGTH = 130;
+ARM_WIDTH = 15;
+ARM_HEIGHT = 7;
+ARM_CUTOFF = 101.25;
+
+ARM_REINFORCEMENT_OFFSET_X = 20;
+ARM_REINFORCEMENT_Y = 5;
+ARM_REINFORCEMENT_Z = 4.1;
+
+ARMS_ANGLE = 40;
+
+AX = 105;
+AY = 26.85 - 2;
+AZ = 6.1;
+    
+BX = 105;
+BY = 34.4;
+BZ = 5;
+
+BOLTSX = 77;
+
+M5 = 5;
+
+FILTER_X = 55.4;
+FILTER_Y = 6.5;
+FILTER_VOID_X = FILTER_X - 9 + ((4.5 - 2.34) * 2);
+
+ROLLER_SPACING = 95;
 
 module motor_shaft () {
     difference () {
@@ -35,7 +61,187 @@ module debug_assembled () {
     color("red") translate([0, 0, 34]) daylight_spool_insert();
 }
 
-PART = "minimal_mountx";
+
+
+module m5_nut (pos = [0, 0, 0]) {
+    translate(pos) hex(9.4, 4);
+}
+
+module block_bolt_voids (pos = [0, 0, 0]) {
+    translate(pos) {
+        translate([BOLTSX / 2, 0, 0]) {
+            cylinder(r = 4.95 / 2, h = BZ + 1, center = true, $fn = 50);
+            m5_nut([0, 0, 3]);
+        }
+        translate([-BOLTSX / 2, 0, 0]) {
+            cylinder(r = 4.95 / 2, h = BZ + 1, center = true, $fn = 50);
+            m5_nut([0, 0, 3]);
+        }
+    }
+}
+
+module block () {
+    cube([AX, AY, AZ], center = true);
+    translate([0, -(AY - BY) / 2, (AZ / 2) + (BZ / 2)]) {
+        difference () {
+            union () {
+                cube([BX, BY, BZ], center = true);
+                translate([BOLTSX / 2, (BY / 2) - 3.5, 0]) {
+                    cylinder(r= R(13), h = BZ, center = true, $fn = 60);
+                }
+                translate([-BOLTSX / 2, (BY / 2) - 3.5, 0]) {
+                    cylinder(r= R(13), h = BZ, center = true, $fn = 60);
+                }
+            }
+            //void for motor parts
+            translate([0, BY - 5.44, 0]) cube([53.2, BY, BZ + 1], center = true);
+            //bolts
+            block_bolt_voids([0, (BY / 2) - 3.5, 0]); 
+        }
+    }
+}
+
+module original_takeup () {
+    block();
+}
+
+module projector_mount (pos = [0, 0, 0], rot = [0, 0, 0]) {
+    //intersection () {}
+    $fn = 60;
+    translate(pos) rotate(rot) {
+        intersection () {
+            rotate([0, 180, 0]) minimal_mount();
+            translate([-10, 0, 0]) rounded_cube([50, 30, 20], d = 12, center = true);
+        }
+    }
+    //translate([-8.5, 0, 12])  rotate([0, 0, 180]) geared_motor();
+    //translate([0, 0, -34]) rotate([180, 0, 0]) daylight_spool_insert();
+}
+
+module projector_arm (pos = [0, 0, 0], rot = [0, 0, 0]) {
+    translate(pos) rotate(rot) {
+        difference () {
+            union () {
+                cube([ARM_LENGTH, ARM_WIDTH, ARM_HEIGHT], center = true);
+                translate([(ARM_CUTOFF/2) - 2.1, 0, 0]) scale([2, 1, 1]) rotate([0, 0, 45]) cube([30, 30, ARM_HEIGHT], center = true);
+            }
+            translate([ARM_CUTOFF, 0, 0]) cube([ARM_LENGTH, 52, ARM_HEIGHT + 1], center = true);
+        }
+        translate([-ARM_REINFORCEMENT_OFFSET_X / 2, 0, -ARM_REINFORCEMENT_Z / 2]) difference() {
+            cube([ARM_LENGTH - ARM_REINFORCEMENT_OFFSET_X, ARM_REINFORCEMENT_Y, ARM_HEIGHT + ARM_REINFORCEMENT_Z], center = true);
+            translate([0, 0, -ARM_HEIGHT - ARM_REINFORCEMENT_Z + 2]) rotate([0, -5, 0]) cube([ARM_LENGTH - ARM_REINFORCEMENT_OFFSET_X + 20, ARM_REINFORCEMENT_Y + 1, ARM_HEIGHT + ARM_REINFORCEMENT_Z], center = true);
+        }
+    }
+}
+
+module filter_holder (pos = [0, 0, 0]) {
+    translate(pos) difference () {
+        cube([FILTER_X, 13.25, 50.5], center = true);
+        //center void
+        cube([42.4, 13.25 + 1, 50.5 + 1], center = true);
+        translate([0, (13.25/2) - (3.25/2) - 1, 0]) cube([FILTER_VOID_X, 3.25, 50.5 + 1], center = true);
+        translate([0, (13.25/2) - (3.25/2) - 1 - 3.25 - 1, 0]) cube([FILTER_VOID_X, 3.25, 50.5 + 1], center = true);
+    }
+}
+
+module filter_reinforcement (pos = [0, 0, 0]) {
+    Z = 19.5 + 7.83-5.75;
+    X = AX;
+    translate(pos) difference () {
+        cube([X, 15.5, Z], center = true);
+        cube([FILTER_X - 0.1, 15.5 + 1, Z + 1], center = true);
+        translate([X - 19.5, -9, 0]) cube([X, 15.5, Z + 1], center = true);
+        translate([-X + 19.5, -9, 0]) cube([X, 15.5, Z + 1], center = true);
+    }
+}
+
+module roller_bolts () {
+    translate([ROLLER_SPACING/2, 2, 0]) {
+        cylinder(r = R(4.25), h = 80, center = true, $fn = 40);
+        translate([0, 0, 7]) rotate([0, 0, 30]) m4_nut();
+    }
+    translate([-ROLLER_SPACING/2, 2, 0]) {
+        cylinder(r = R(4.25), h = 80, center = true, $fn = 40);
+        translate([0, 0, 7]) rotate([0, 0, 30]) m4_nut();
+    }
+}
+
+module jk_takeup () {
+    difference () {
+        union () {
+            block();
+            filter_holder([0, 0, -27.5]);
+            filter_reinforcement([0, -1.1, -16+(5.75/2)]);
+        }
+        roller_bolts();
+    }
+    translate([0, 0, 1.8]) {
+        translate([-30, 0, 0]) rotate([0, 0, ARMS_ANGLE]) {
+            projector_arm([-ARM_LENGTH/2, 0, 2.75], [0, 0, 180]);
+            projector_mount([-ARM_LENGTH, 0, 5.5], [0, 0, 180]);
+        }
+        translate([30, 0, 0]) rotate([0, 0, -ARMS_ANGLE]) {
+            projector_arm([ARM_LENGTH/2, 0, 2.75]);
+            projector_mount([ARM_LENGTH, 0, 5.5]);
+        }
+    }
+}
+
+module jk_takeup_halves (HALF = "A") {
+    difference () {
+        jk_takeup();
+        translate([0, 7, 0]) cylinder(r = R(M5), h = 40, center = true, $fn = 60);
+        translate([0, -7, 0]) cylinder(r = R(M5), h = 40, center = true, $fn = 60);
+        if (HALF == "A") {
+            translate([(ARM_LENGTH) + 10, 0, 0]) cube([ARM_LENGTH * 2, ARM_LENGTH * 2, ARM_LENGTH], center = true);
+            translate([0, 0, 10 + 2]) cube([20, BY + 1, 20], center = true);
+        } else if (HALF == "B") {
+            translate([-(ARM_LENGTH) - 10, 0, 0]) cube([ARM_LENGTH * 2, ARM_LENGTH * 2, ARM_LENGTH], center = true);
+            translate([0, 0, -10 + 2]) cube([20, BY + 1, 20], center = true);
+        }
+    }
+
+}
+
+module idle_roller () {
+    D1 = 16;
+    D3 = 90;
+    FN = 60;
+    difference () {
+        union() {
+            difference () {
+                cylinder(r = R(D1), h = 20.2, center = true, $fn = FN);
+                cylinder(r = R(D1)+1, h = 17, center = true, $fn = FN);
+            }
+            translate([0, 0, 0]) {
+                difference() {
+                    cylinder(r = R(14), h = 17.1, center = true, $fn = FN);
+                    for (i = [0 : FN - 1]) {
+                        rotate([0, 0, (360 / FN) * i ]) {
+                            translate([(D3/2)+6.1, 0, 0]) rotate([90, 0, 0]) cylinder(r = R(D3), h = 2, center = true, $fn = 200);
+                        }
+                    }
+                }
+            }
+        }
+        cylinder(r = R(4.25), h = 20.2 + 1, center = true, $fn = 30);
+        translate([0, 0, (20.2 / 2) - (5 / 2)]) cylinder(r = R(10), h = 5.1, center = true, $fn = FN);
+    }
+    
+}
+
+module idle_roller_cap () {
+    difference () {
+        cylinder(r = R(10-0.3), h = 5, center = true, $fn = 60);
+        cylinder(r = R(4.25), h = 20.2 + 1, center = true, $fn = 30);
+        translate([0, 0, 1.01]) m4_nut();
+    }
+    
+}
+
+//translate([0, 0, 40]) color("red") original_takeup();
+
+PART = "jk_takeup";
 
 if (PART == "slip_coupling") {
     slip_coupling();
@@ -52,6 +258,17 @@ if (PART == "slip_coupling") {
     daylight_spool_insert_reinforced_nut();
 } else if (PART == "minimal_mount") {
     minimal_mount();
+} else if (PART == "jk_takeup") {
+    jk_takeup();
+} else if (PART == "jk_takeup_half_a") {
+    jk_takeup_halves("A");
+} else if (PART == "jk_takeup_half_b") {
+    jk_takeup_halves("B");
+} else if (PART == "idle_roller") {
+    idle_roller();
 } else {
     debug_assembled();
 }
+
+
+