backup

sholder.scad

@@ -0,0 +1,37 @@
+
+module sholder_strap(strap_len = 400, blobs = [150, 200, 250], blob_d = 10, thikness = 0.5, width = 40, hole_d = 10) {
+    difference() {
+        union() {
+            linear_extrude(height=thikness)
+            hull() {
+                circle(d=width);
+                translate([strap_len, 0])
+                    circle(d=width);
+            }
+
+            for (i=blobs)
+            translate([i, 0, 0])
+                sholder_strap_blob(d=blob_d);
+        }
+        translate([0, 0, -thikness/2])
+            cylinder(h = thikness*2, d = hole_d);
+        translate([strap_len, 0, -thikness/2])
+            cylinder(h = thikness*2, d = hole_d);
+    }
+}
+module sholder_strap_blob(d) {
+    difference() {
+        sphere(d=d);
+        translate([0, 0, -d])
+            cube([2*d, 2*d, 2*d], center=true);
+    }
+}
+
+sholder_strap(
+    strap_len = 400,
+    blobs = [124, 200, 275],
+    blob_d = 10,
+    thikness = 0.4,
+    width = 40,
+    hole_d = 10
+);