commit 038e29f571f34c888cd57bc3d39c831c45dc9bda
Author: nedko <nedko@internedko.net>
Date:   Thu Jun 19 14:32:44 2025 +0300

    Inital 3D added

diff --git a/3d/base.scad b/3d/base.scad
new file mode 100644
index 0000000..1182ab4
--- /dev/null
+++ b/3d/base.scad
@@ -0,0 +1,42 @@
+include <config.scad>
+
+union()
+{
+	// Center Piece
+	translate([0, -base_size_y/2 + plate_size_y/2, 0])
+	difference()
+	{
+		// Base
+		cube([base_size_x + 2 * base_wall_size, base_size_y + 2 * base_wall_size, base_size_z], center = true);
+
+		// Hollow
+		cube([base_size_x, base_size_y, base_size_z + 1], center = true);
+
+		// Cut USB
+		translate([-usb_dist_x, base_size_y/2 + base_wall_size/2, base_size_z/2])
+		cube([usb_size_x, base_wall_size + 1, usb_size_z * 2], center = true);
+	}
+
+	// Side Pieces
+	for (x = [-1:2:1])
+	{
+		translate([x * (base_size_x/2 + base_wall_size + side_size_x/2), 0, 0])
+		difference()
+		{
+			// Main Block
+			cube([side_size_x, side_size_y, base_size_z], center = true);
+
+			// Cut Screw
+			translate([0, 0, base_size_z/2])
+			cylinder(h = base_size_z, d = screw_dia, $fn = seg, center = true);
+
+			// Cut Screw Head
+			translate([0, 0, -screw_dia/4])
+			cylinder(h = screw_dia/2, d1 = screw_dia * 2, d2 = screw_dia, $fn = seg, center = true);
+
+			// Cut Screw Head Extension
+			translate([0, 0, -base_size_z/2 - screw_dia/2])
+			cylinder(h = base_size_z, d = screw_dia * 2, $fn = seg, center = true);
+		}
+	}
+}
diff --git a/3d/base.stl b/3d/base.stl
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diff --git a/3d/config.scad b/3d/config.scad
new file mode 100644
index 0000000..a5d9424
--- /dev/null
+++ b/3d/config.scad
@@ -0,0 +1,43 @@
+wall_size = 1.5;
+tol = 1;
+seg = 60;
+
+base_wall_size = 3;
+base_size_x = 56;
+base_size_y = 72;
+base_size_z = 6;
+plate_size_x = 56;
+plate_size_y = 56;
+
+plate_elevation = 37.5;
+
+usb_dist_x = 8.5;
+usb_size_x = 8;
+usb_size_z = 3;
+
+screw_dia = 3.2;
+thread_insert_dia = 4;
+thread_insert_z = 6.7;
+
+side_size_x = 10;
+side_size_y = 10;
+side_size_z = plate_elevation - base_size_z;
+
+top_size_x = plate_size_x;
+top_size_y = plate_size_y;
+top_size_z = 6;
+
+stem_tol = 0.1;
+stem_dist = 5.7;
+stem_size_x = 1.2 + stem_tol;
+stem_size_y = 3 + stem_tol;
+stem_size_z = 3;
+stem_hole = 2;
+
+weight_size_x1 = 100;
+weight_size_y1 = 100;
+weight_size_x2 = top_size_x + tol + 2 * wall_size;
+weight_size_y2 = top_size_y + tol + 2 * wall_size;
+weight_size_z = max((weight_size_x1 - weight_size_x2)/2, (weight_size_y1 - weight_size_y2)/2);
+weight_scale_x = weight_size_x2 / weight_size_x1;
+weight_scale_y = weight_size_y2 / weight_size_y1;
diff --git a/3d/side.scad b/3d/side.scad
new file mode 100644
index 0000000..e54283f
--- /dev/null
+++ b/3d/side.scad
@@ -0,0 +1,15 @@
+include <config.scad>
+
+rotate([0, 90, 0])
+difference()
+{
+	// Main Block
+	cube([side_size_x, side_size_y, side_size_z], center = true);
+
+	// Cut Holes
+	for (z = [-1:2:1])
+	{
+		translate([0, 0, z * side_size_z/2])
+		cylinder(h = thread_insert_z * 2, d = thread_insert_dia, $fn = seg, center = true);
+	}
+}
diff --git a/3d/side.stl b/3d/side.stl
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index 0000000..58cddfe
Binary files /dev/null and b/3d/side.stl differ