Twist models

extension_twist_25mm.scad

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+use <lib/extension_twist.scad>
+
+extension_twist(h=25);

lib/extension_twist.scad

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+use <spoolmount_twist.scad>
+
+module extension_twist(h) {
+    assert(h >= 10, "minimum extension height is 10");
+
+    // Bottom spoolmount twist
+    spoolmount_twist();
+
+    // Top spoolmount twist
+    translate([0, 0, h])
+    rotate([180, 0, 0])
+    spoolmount_twist();
+
+    // Center cylinder
+    translate([0, 0, 5])
+    cylinder(h=h - 10, r=24.9, $fn=200);
+}
+
+extension_twist(h=25);

spool_holder_simple_twist.scad

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+use <lib/spoolmount_twist.scad>
+use <lib/torus.scad>
+
+module spool_holder_simple_twist() {
+    spoolmount_twist();
+
+    // Main body
+    translate([0, 0, 5])
+    cylinder(h=95, r=12, $fn=200);
+
+    // Base fan in
+    translate([0, 0, 5])
+    rotate_extrude($fn=200)
+    translate([12, 0])
+    difference() {
+        square(10);
+
+        translate([10, 10])
+        circle(r=10);
+    }
+
+    // Cap
+    translate([0, 0, 95])
+    cylinder(h=5, r=17, $fn=200);
+
+    // Cap fan out
+    translate([0, 0, 90])
+    rotate_extrude($fn=200)
+    polygon(points=[
+        [12, 0],
+        [17, 5],
+        [12, 5],
+    ]);
+
+    // Cap rounded edge
+    translate([0, 0, 97.5])
+    torus(r_major=17, r_minor=2.5, xs=0.7, $fn=200);
+}
+
+spool_holder_simple_twist();