diff --git a/scad/common b/scad/common
index 87a68d0..b499c28 160000
--- a/scad/common
+++ b/scad/common
@@ -1 +1 @@
-Subproject commit 87a68d07fa3a29f923187073193def5bf0805c94
+Subproject commit b499c2810117b5ca57014d5cb4219cf68b4c5c0f
diff --git a/scad/mcopy_projector.scad b/scad/mcopy_projector.scad
index c80e836..1aa6167 100644
--- a/scad/mcopy_projector.scad
+++ b/scad/mcopy_projector.scad
@@ -1,21 +1,253 @@
 include <./common/common.scad>;
+include <./common/motors.scad>;
 
-PART = "debug";
+PanelX = 89;
+PanelY = 125;
+PanelZ = 6;
+
+BearingOuterDiameter = 21.6;
+BearingInnerDiameter = 8.05;
+
+FrameBoltX = (-PanelX / 2) + 8.6;
+FrameBoltY = 92.8 / 2;
+FrameBoltD = 9;
+
+KeyDistance = 57.4;
+KeyVoidD = BearingInnerDiameter + 0.3;
+KeyVoidD2 = 14.2;
+KeyWidth = 2.25;
+
+StepperMountZ = 20;
+
+GateBoltX = (-PanelX / 2) + 54;
+GateBoltY = 105 / 2;
+
+NubVoidD = 5.5;
+NubVoidX = 3.5;
+NubX = (-PanelX / 2) + 66;
 
 module debug () {
-	cube();
+	difference () {
+		panel();
+		//translate([45, 0, 0]) cube([89, 200, 50], center = true);
+	}
+	//NEMA17([0, KeyDistance / 2, -50]);
+	//NEMA17([0, -KeyDistance / 2, -50]);
+	//gate_key([0, KeyDistance / 2, -14], [0, 0, 45]);
+	gate_key([0, -KeyDistance / 2, -14], [0, 0, 45]);
+}
+
+
+module bearing_void (pos = [0, 0, 0], width= 8) {
+	fuzz = 0.3;
+	translate (pos) {
+		difference () {
+			cylinder(r = R(BearingOuterDiameter) + fuzz, h = width, center = true, $fn = 90);
+		}
+	}
+}
+
+module key_void (pos = [0, 0, 0]) {
+	translate(pos) {
+		cylinder(r = R(KeyVoidD), h = 6 + 1, center = true, $fn = 50);
+		translate([0, 0, -2]) cylinder(r = R(KeyVoidD2), h = 6, center = true, $fn = 50);
+	}
+}
+
+module front_bolt_void (pos = [0, 0, 0]) {
+	translate(pos) {
+		cylinder(r = R(FrameBoltD), h = PanelZ + 1, center = true, $fn = 50);
+	}
+}
+
+module bolt_void (pos = [0, 0, 0], H = StepperMountZ + 1) {
+	translate(pos) {
+		cylinder(r = R(3.5), h = H, center = true, $fn = 30);
+	}
+}
+
+module bolt_and_cap_void (pos = [0, 0, 0], cap = 10, bolt = 10) {
+	translate(pos) {
+		cylinder(r = R(6.25), h = cap, center = true, $fn = 30);
+		translate([0, 0, -(cap / 2) - (bolt / 2)]) cylinder(r = R(3.5), h = bolt, center = true, $fn = 30);
+	}
+}
+
+module stepper_block_bolt_voids (pos = [0, 0, 0]) {
+	BoltX = NEMA17BoltSpacing / 2;
+	BoltY = NEMA17BoltSpacing / 2;
+	translate(pos) {
+		bolt_and_cap_void([BoltX, BoltY, 0]);
+		bolt_and_cap_void([-BoltX, BoltY, 0]);
+		bolt_and_cap_void([BoltX, -BoltY, 0]);
+		bolt_and_cap_void([-BoltX, -BoltY, 0]);
+	}
+}
+
+module panel_bolt_voids (pos = [0, 0, 0]) {
+	translate(pos) {
+		stepper_block_bolt_voids([0, KeyDistance / 2, 0]);
+		stepper_block_bolt_voids([0, -KeyDistance / 2, 0]);
+	}
+}
+
+module LED_void (pos = [0, 0, 0], rot = [0, 0, 0], flip = false) {
+	LEDVoidD = 5;
+	LightVoidD = 2.5;
+	translate(pos) rotate(rot) {
+		rotate([0, 90, 0]) {
+			cylinder(r = R(LightVoidD), h = 80, center = true, $fn = 40);
+			if (flip) {
+				translate([0, 0, -37.5]) cylinder(r = R(LEDVoidD), h = 80, center = true, $fn = 40);
+				translate([0, 0, 65]) cylinder(r = R(LEDVoidD), h = 80, center = true, $fn = 40);
+			} else {
+				translate([0, 0, 37.5]) cylinder(r = R(LEDVoidD), h = 80, center = true, $fn = 40);
+				translate([0, 0, -65]) cylinder(r = R(LEDVoidD), h = 80, center = true, $fn = 40);
+			}
+		}
+	}
+}
+
+module LED_prop (pos = [0, 0, 0], rot = [0, 0, 0], H = 15, flip = false) {
+	translate(pos) rotate(rot) {
+		if (flip) {
+			translate([-13, 0, 0]) cube([40, 7, H], center = true);
+		} else {
+			translate([13, 0, 0]) cube([40, 7, H], center = true);
+		}
+	}
+}
+
+module nub_void (pos = [0, 0, 0]) {
+	translate(pos) {
+		translate([NubVoidX / 2, 0, 0]) cylinder(r = R(NubVoidD), h = PanelZ + 1, center = true, $fn = 50);
+		translate([-NubVoidX / 2, 0, 0]) cylinder(r = R(NubVoidD), h = PanelZ + 1, center = true, $fn = 50);
+		cube([NubVoidX, NubVoidD, PanelZ + 1], center = true);
+	}
+}
+
+module stepper_mount_block (pos = [0, 0, 0]) {
+	BoltX = NEMA17BoltSpacing / 2;
+	BoltY = NEMA17BoltSpacing / 2;
+	H = StepperMountZ;
+	InnerD = 30;
+
+	translate(pos) {
+		difference () {
+			union () {
+				cube([NEMA17OuterWidth, NEMA17OuterWidth, H], center = true);
+				LED_prop([0, 19, -4.5 + 7.5], [0, 0, 45], flip = true);
+				LED_prop([0, -19, -4.5 + 10.5], [0, 0, 45], H = 9, flip = false);
+			}
+			//corners
+			for (i = [0 : 3]) {
+				rotate([0, 0, (i * 90) + 45]) translate([29.7, 0, 0]) cube([5.5, 5.5, H + 1], center = true);
+			}
+			cylinder(r = R(InnerD), h = H + 1, center = true, $fn = 120);
+			bolt_void([BoltX, BoltY, 0]);
+			bolt_void([-BoltX, BoltY, 0]);
+			bolt_void([BoltX, -BoltY, 0]);
+			bolt_void([-BoltX, -BoltY, 0]);
+			//
+			LED_void([0, 19, -4.5], [0, 0, 45]);
+			LED_void([0, -19, 1.5], [0, 0, 45], true);
+		}
+	}
+}
+
+module stepper_mount (pos = [0, 0, 0]) {
+	//NEMA17BoltSpacing = 31;
+	translate(pos) {
+		stepper_mount_block([0, KeyDistance / 2, 0]);
+		stepper_mount_block([0, -KeyDistance / 2, 0]);
+	}
+}
+
+module octagon(size, height) {
+	intersection() {
+		cube([size, size, height], true);
+		rotate([0,0,45]) {
+			cube([size, size, height], true);
+		}
+	}
+}
+
+module octagon_void (pos = [0, 0, 0], D = 25, H = 5.01) {
+	translate(pos) {
+		difference () {
+			cylinder(r = R(D + 10), h = H, center = true);
+			octagon(D, H + 1);
+		}
+	}
+}
+
+module gate_bolt_and_nut_void (pos = [0, 0, 0]) {
+	translate(pos) {
+		cylinder(r = R(5), h = PanelZ + 1, center = true, $fn = 40);
+	}
+}
+
+module gate_key (pos = [0, 0, 0], rot = [0, 0, 0]) {
+	translate(pos) rotate(rot) {
+		difference () {
+			union () {
+				cylinder(r = R(29), h = 12, center = true, $fn = 120);
+				translate([0, 0, 1]) cylinder(r = R(11), h = 12, center = true, $fn = 60);
+				translate([0, 0, (13 / 2) + (10 / 2)]) cylinder(r = R(BearingInnerDiameter - 0.3), h = 10, center = true, $fn = 60);
+			}
+			scale([1.02, 1.02, 1]) NEMA17_motor_shaft([0, 0, -5]);
+			octagon_void([0, 0, 3.5]);
+			//normalization flat
+			translate([0, 27, -3.5]) cube([29, 29, 10], center = true);
+			//key
+			rotate ([0, 0, 45]) {
+				translate([0, (10 / 2) + (KeyWidth / 2), (13 / 2) + (10 / 2) + 6]) cube([10, 10, 10], center = true);
+				translate([0, -(10 / 2) - (KeyWidth / 2), (13 / 2) + (10 / 2) + 6]) cube([10, 10, 10], center = true);
+			}
+		}
+	}
+}
+
+module panel (pos = [0, 0, 0], rot = [0, 0, 0]) {
+	translate(pos) rotate(rot) {
+		difference () {
+			union () {
+				cube([PanelX, PanelY, PanelZ], center = true);
+				translate([0, KeyDistance / 2, -(10 / 2) + (PanelZ / 2)]) cylinder(r = R(31), h = 10, center = true, $fn = 90);
+				translate([0, -KeyDistance / 2, -(10 / 2) + (PanelZ / 2)]) cylinder(r = R(31), h = 10, center = true, $fn = 90);;
+			}
+			//front bolts
+			front_bolt_void([FrameBoltX, FrameBoltY, 0]);
+			front_bolt_void([FrameBoltX, -FrameBoltY, 0]);
+			//key + bearing voids
+			bearing_void([0, KeyDistance / 2, (PanelZ / 2) - (8 / 2) - 2], 8.01);
+			bearing_void([0, -KeyDistance / 2, (PanelZ / 2) - (8 / 2) - 2], 8.01);
+
+			key_void([0, KeyDistance / 2, 0]);
+			key_void([0, -KeyDistance / 2, 0]);
+			panel_bolt_voids([0, 0, -1]);
+
+			//
+			gate_bolt_and_nut_void([GateBoltX, GateBoltY, 0]);
+			gate_bolt_and_nut_void([GateBoltX, -GateBoltY, 0]);
+
+			//
+			nub_void([NubX, 0, 0]);
+		}
+		stepper_mount([0, 0, -(StepperMountZ / 2) - (PanelZ / 2)]);
+	}
 }
 
 module projector () {
 	
 }
 
-module key () {
-	
-}
+PART = "panel";
 
-if (PART == "projector") {
-	
+if (PART == "gate_key") {
+	gate_key();
+} else if (PART == "panel") {
+	panel();
 } else {
 	debug();
 }
\ No newline at end of file