Path reorg

v1/scad/lib/generic/ptfe_guide_4.scad

@@ -0,0 +1,30 @@
+use <../util/screw_hole_m3.scad>
+
+module ptfe_guide_4() {
+    translate([0, 0, 5])
+    difference() {
+        hull() {
+            for (x = [-22, 22]) {
+                for (y = [-4, 4]) {
+                    for (z = [-3, 3]) {
+                        translate([x, y, z])
+                        sphere(d=4, $fn=100);
+                    }
+                }
+            }
+        }
+
+        // Screw hole
+        translate([0, 0, -5])
+        screw_hole_m3(h=10);
+
+        // PTFE holes
+        for (x = [-18, -10, 10, 18]) {
+            translate([x, 0, 0])
+            rotate([90, 0, 0])
+            cylinder(h=14, d=4.4, center=true, $fn=100);
+        }
+    }
+}
+
+ptfe_guide_4();