From: Lukáš Jiřiště <redacted>
Date: Sat, 12 Sep 2026 18:00:48 +0000 (+0200)
Subject: Add supports for the rails for printability
X-Git-Url: https://git.ljiriste.work/?a=commitdiff_plain;h=a114ca2bbad03ca18c7ff2dc6ccb03a739613390;p=organizer.git

Add supports for the rails for printability
---

diff --git a/skeleton_cell.scad b/skeleton_cell.scad
index 23e8c04..521ff19 100644
--- a/skeleton_cell.scad
+++ b/skeleton_cell.scad
@@ -1,5 +1,7 @@
 fit_clearance = 0.1;
 
+support_thickness = 0.4;
+
 width = 50;
 height = 50;
 depth = 100;
@@ -42,26 +44,88 @@ module ring(width, depth, ring_thickness, ring_height)
 		};
 }
 
-module rail(depth, thickness)
+module rail_bottom_left_base(thickness)
+{
+	union()
+	{
+		polygon([[0, 0], [0, thickness], [thickness, 0]]);
+		square([support_thickness, 3 * thickness]);
+		square([3 * thickness, support_thickness]);
+	}
+}
+
+module rail_bottom_left(length, thickness)
+{
+	linear_extrude(length)
+		rail_bottom_left_base(thickness);
+}
+
+module rail_top_left_base(thickness)
 {
-	linear_extrude(depth)
+	union()
+	{
 		polygon([[0, 0], [0, thickness], [thickness, 0]]);
+		square([support_thickness, 3 * thickness]);
+		translate([0.5 * thickness, - support_thickness])
+			square([2.5 * thickness, support_thickness]);
+	}
+}
+
+module rail_top_left(length, thickness)
+{
+	linear_extrude(length)
+		rail_top_left_base(thickness);
+}
+
+module rail_bottom_right(length, thickness)
+{
+	linear_extrude(length)
+		difference()
+		{
+			union()
+			{
+				polygon([[0, 0], [0, thickness], [thickness, 0]]);
+				translate([0, -2 * thickness])
+					square([support_thickness, 3 * thickness]);
+				translate([-2 * thickness, 0])
+					square([2.5 * thickness, support_thickness]);
+			}
+			offset(r = fit_clearance)
+				translate([thickness, thickness])
+					mirror([1, 1])
+						rail_bottom_left_base(thickness);
+		};
+}
+
+module rail_top_right(length, thickness)
+{
+	linear_extrude(length)
+		difference()
+		{
+			polygon([[-2 * thickness, thickness], [0, thickness], [thickness, 0], [-2 * thickness, 0]]);
+			offset(r = fit_clearance)
+				translate([thickness, thickness])
+					mirror([1, 1])
+						rail_top_left_base(thickness);
+		}
 }
 
 module rails(dims, thickness, fit_clearance)
 {
+	rail_length = dims.z - thickness - fit_clearance;
+	rail_thickness = thickness;
 	translate([dims.x / 2, dims.y / 2])
 		mirror([1, 1, 0])
-		rail(dims.z - thickness - fit_clearance, thickness - fit_clearance);
+			rail_bottom_left(rail_length, rail_thickness);
 	translate([- (dims.x / 2 - thickness), - (dims.y / 2 - thickness)])
 		mirror([1, 1, 0])
-		rail(dims.z - thickness - fit_clearance, thickness - fit_clearance);
+			rail_top_right(rail_length, rail_thickness);
 	translate([dims.x / 2, - dims.y / 2])
 		mirror([1, 0, 0])
-		rail(dims.z - thickness - fit_clearance, thickness - fit_clearance);
+			rail_top_left(rail_length, rail_thickness);
 	translate([- (dims.x / 2 - thickness), dims.y / 2 - thickness])
 		mirror([1, 0, 0])
-		rail(dims.z - thickness - fit_clearance, thickness - fit_clearance);
+			rail_bottom_right(rail_length, rail_thickness);
 }
 
 module half_cage()