From 2c4225b2d26cbf982b69bf0c7083e02624f5dc68 Mon Sep 17 00:00:00 2001
From: "Jan \"Yenya\" Kasprzak" <kas@fi.muni.cz>
Date: Fri, 22 Mar 2019 13:38:44 +0100
Subject: [PATCH] work in progress - not tested yet

---
 servo-tube-holder.scad | 42 +++++++++++++++++++++++++++++++++---------
 1 file changed, 33 insertions(+), 9 deletions(-)

diff --git a/servo-tube-holder.scad b/servo-tube-holder.scad
index d26f344..64ea5f5 100644
--- a/servo-tube-holder.scad
+++ b/servo-tube-holder.scad
@@ -2,44 +2,68 @@ eps = 0.01;
 infty = 200;
 
 wall = 1.5;
-thin_wall = 1.0;
+thin_wall = 0.6;
 
 fuse_tube_d = 8.0 + 0.5;
+tube_xoff = wall - 0.5;
+
 clip_w = 6;
 
 slot_w = 3;
 
+// 9g servo
 servo_l = 23.0;
 servo_w = 12.5;
 
-beam_w = fuse_tube_d/2 + wall;
+
+beam_w = fuse_tube_d/2 + wall - tube_xoff;
+beam_h = fuse_tube_d/2 + wall;
 
 cable_w = 2.0;
 cable_l = 5.0;
 
+
 difference() {
 	union() {
 		// servo frame
 		translate([-wall, -servo_l/2-clip_w, 0])
-			cube([servo_w + 2*wall, servo_l + 2*clip_w, wall]);
+			cube([servo_w + 2*wall, servo_l + 2*clip_w, thin_wall]);
+		// servo frame supports
+		for (y = [-1, 1])
+		scale([1, y, 1])
+		translate([0, servo_l/2 + clip_w - wall, 0])
+		hull() {
+			cube([servo_w/2 + cable_l/2, wall, thin_wall]);
+			cube([eps, wall, beam_h]);
+		}
 		// main beam
 		translate([-beam_w, -servo_l/2-clip_w, 0])
-			cube([beam_w, servo_l + 2*clip_w, beam_w]);
+			cube([beam_w, servo_l + 2*clip_w, fuse_tube_d/2+wall]);
 		// clips
-		for (y = [-1, 1]) scale([1, y, 1])
-		translate([-fuse_tube_d - 2*wall, servo_l/2, 0])
-			cube([fuse_tube_d + 2*wall, clip_w, fuse_tube_d + 2*wall]);
+		for (y = [-1, 1])
+		scale([1, y, 1])
+		translate([0, servo_l/2, 0]) 
+		hull() {
+			// bottom cube
+			translate([-0.75*fuse_tube_d - 2*wall + tube_xoff, 0, 0])
+				cube([0.75*fuse_tube_d + 2*wall, clip_w, fuse_tube_d/2 + wall + eps]);
+			// cylinder
+			translate([-fuse_tube_d/2 - wall + tube_xoff, 0, fuse_tube_d/2 + wall])
+			rotate([-90, 0, 0])
+				cylinder(r = fuse_tube_d/2 + wall, h = clip_w);
+		}
+			
 			
 	}
 	// hole for servo
 	translate([0, -servo_l/2, -eps])
 		cube([servo_w, servo_l, wall + 2*eps]);
 	// fuse tube
-	translate([-fuse_tube_d/2-wall, servo_l/2+clip_w+eps, fuse_tube_d/2+wall])
+	translate([-fuse_tube_d/2-wall + tube_xoff, servo_l/2+clip_w+eps, fuse_tube_d/2+wall])
 			rotate([90, 0, 0])
 			cylinder(r = fuse_tube_d/2, h = servo_l +2*clip_w + 2*eps);
 	// fuse tube slot
-	translate([-fuse_tube_d/2-wall-slot_w/2, -servo_l/2-clip_w-eps, fuse_tube_d/2+wall])
+	translate([-fuse_tube_d/2-wall-slot_w/2 + tube_xoff, -servo_l/2-clip_w-eps, fuse_tube_d/2+wall])
 		cube([slot_w, servo_l + 2*clip_w + 2*eps, fuse_tube_d/2+wall+eps]);
 	// cable hole
 	for (y = [-1, 1]) scale ([1, y, 1])
-- 
2.43.0