diff --git a/openscad/distance.scad b/openscad/distance.scad
new file mode 100644
index 0000000..2932f82
--- /dev/null
+++ b/openscad/distance.scad
@@ -0,0 +1,10 @@
+size_z = 10;
+rad_hole = 1.5;
+seg = 360;
+rad_display = 1;
+
+difference()
+{
+	cylinder(size_z, rad_hole + 1, rad_hole + 1, $fn = seg, center = true);
+	cylinder(size_z + 1, rad_hole, rad_hole, $fn = seg, center = true);
+}
diff --git a/openscad/main_bottom.scad b/openscad/main_bottom.scad
new file mode 100644
index 0000000..d4b5fcd
--- /dev/null
+++ b/openscad/main_bottom.scad
@@ -0,0 +1,60 @@
+size_x = 85;
+size_y = 85;
+size_z = 10;
+thick = 1.5;
+pcb = 1.6;
+rad_hole = 2;
+seg = 360;
+rad_display = 1;
+// 10 - dist between display and pcb, 1 - display thick
+pillar = size_z - thick + 10 + 1;
+usb_x = 9;
+usb_z = 0.6;
+
+union()
+{
+	difference()
+	{
+		// Main Block
+		cube([size_x, size_y, size_z], center = true);
+
+		// Hollow
+		translate([0, 0, thick])
+		{
+			cube([size_x - 2 * thick, size_y - 2 * thick, size_z], center = true);
+		}
+
+		// Cut USB
+		translate([-5.75, size_y/2 - thick/2, size_z/2])
+		{
+			cube([usb_x, thick * 2, usb_z*2], center = true);
+		}
+	}
+
+	// Add Screw Holders
+	for (y = [-1:1:1])
+	{
+		x = y == 0 ? -1 : 1;
+
+		translate([13.5 + x * 22.25, y * 35.75, -pcb + thick])
+		{
+			difference()
+			{
+				cylinder(size_z - thick - pcb, rad_hole + 1, rad_hole + 1, $fn = seg, center = true);
+				cylinder(size_z, rad_hole, rad_hole, $fn = seg, center = true);
+			}
+		}
+	}
+
+	// Add Display Pillars
+	for (x = [-1:2:1])
+	{
+	for (y = [-1:2:1])
+	{
+		translate([13.25 + x * 10.35, 10.75 + y * 11.6, pillar/2 - size_z/2 + thick])
+		{
+			cylinder(pillar, rad_display, rad_display, $fn = seg, center = true);
+		}
+	}
+	}
+}
\ No newline at end of file
diff --git a/openscad/main_top.scad b/openscad/main_top.scad
new file mode 100644
index 0000000..c30577e
--- /dev/null
+++ b/openscad/main_top.scad
@@ -0,0 +1,114 @@
+size_x = 85;
+size_y = 85;
+size_z = 15;
+thick = 1.5;
+pcb = 1.6;
+rad_hole = 1.5;
+seg = 360;
+rad_display = 1;
+usb_x = 9;
+usb_z = 3;
+usb_pos = 5.75;
+ribbon_x = 16;
+ribbon_y = 11;
+ribbon_pos = -13.25;
+display_x = 27;
+display_y = 15;
+display_pos_x = -13.25;
+display_pos_y = 10.75 + 1.5;
+led_size = 5;
+led_pos_x = 14.75;
+led_pos_y = 37.25;
+btn_y = 15;
+btn_z = 3.5;
+btn_pos = 12.5;
+battery_x = 22;
+battery_y = 80;
+battery_pos = 29;
+
+union()
+{
+	difference()
+	{
+		// Main Block
+		cube([size_x, size_y, size_z], center = true);
+
+		// Hollow
+		translate([0, 0, thick])
+		{
+			cube([size_x - 2 * thick, size_y - 2 * thick, size_z], center = true);
+		}
+
+		// Cut USB
+		translate([usb_pos, size_y/2 - thick/2, size_z/2])
+		{
+			cube([usb_x, thick * 2, usb_z*2], center = true);
+		}
+
+		// Cut Ribbon Cable Connector
+		translate([ribbon_pos, size_y/2 - ribbon_y/2, 0])
+		{
+			cube([ribbon_x, ribbon_y, size_z + 1], center = true);
+		}
+
+		// Cut Display
+		translate([display_pos_x, display_pos_y, 0])
+		{
+			cube([display_x, display_y, size_z + 1], center = true);
+		}
+
+		// Cut LED
+		translate([led_pos_x, led_pos_y, 0])
+		{
+			cube([led_size, led_size, size_z + 1], center = true);
+		}
+
+		// Cut Button
+		translate([-(size_x/2 - thick/2), btn_pos, size_z/2])
+		{
+			cube([thick * 2, btn_y, btn_z * 2], center = true);
+		}
+
+		// Cut Battery
+		translate([battery_pos, 0, 0])
+		{
+			cube([battery_x, battery_y, size_z + 1], center = true);
+		}
+
+		// Screw Holes
+		for (y = [-1:1:1])
+		{
+			x = y == 0 ? 1 : -1;
+			translate([-13.5 + x * 22.25, y * 35.75, 0])
+			{
+				cylinder(size_z + 1, rad_hole, rad_hole, $fn = seg, center = true);
+			}
+		}
+	}
+
+	// Add Screw Holders
+	for (y = [-1:1:1])
+	{
+		x = y == 0 ? 1 : -1;
+
+		translate([-13.5 + x * 22.25, y * 35.75, 0])
+		{
+			difference()
+			{
+				cylinder(size_z, rad_hole + 1, rad_hole + 1, $fn = seg, center = true);
+				cylinder(size_z + 1, rad_hole, rad_hole, $fn = seg, center = true);
+			}
+		}
+	}
+
+	// Add Ribbon Extra
+	translate([ribbon_pos, size_y/2 - ribbon_y/2, -size_z/2 + 5/2 + thick])
+	difference()
+	{
+		translate([0, -thick, 0])
+		{
+			cube([ribbon_x + thick * 2, ribbon_y, 5], center = true);
+		}
+		cube([ribbon_x, ribbon_y, 5 + 1], center = true);
+	}
+}
\ No newline at end of file
diff --git a/stl/distance.stl b/stl/distance.stl
new file mode 100644
index 0000000..7656b1f
Binary files /dev/null and b/stl/distance.stl differ
diff --git a/stl/main_bottom.stl b/stl/main_bottom.stl
new file mode 100644
index 0000000..eead7d8
Binary files /dev/null and b/stl/main_bottom.stl differ
diff --git a/stl/main_top.stl b/stl/main_top.stl
new file mode 100644
index 0000000..0fdb735
Binary files /dev/null and b/stl/main_top.stl differ
diff --git a/stl/zippy_cover.stl b/stl/rotary_wheel.stl
similarity index 100%
rename from stl/zippy_cover.stl
rename to stl/rotary_wheel.stl
diff --git a/stl/spool_back.stl b/stl/spool_back.stl
new file mode 100644
index 0000000..eb2654f
Binary files /dev/null and b/stl/spool_back.stl differ
diff --git a/stl/spool_front.stl b/stl/spool_front.stl
new file mode 100644
index 0000000..271132a
Binary files /dev/null and b/stl/spool_front.stl differ