Complex screw cutout

v1/scad/objects/ptfe_guide.scad

@@ -1,3 +1,5 @@
+use <../lib/screw_hole.scad>
+
 module ptfe_guide() {
     translate([0, 0, 5])
     difference() {
@@ -13,27 +15,8 @@ module ptfe_guide() {
         }
 
         // Screw hole
-        {
-            // Top hex nut / screw cap head cutout
-            translate([0, 0, 3.7])
-            linear_extrude(2.61, center=true)
-            polygon(points=[
-                [-2.8, 1.6175],
-                [0, 3.235],
-                [2.8, 1.6175],
-                [2.8, -1.6175],
-                [0, -3.235],
-                [-2.8, -1.6175],
-            ]);
-
-            // Through hole
-            translate([0, 0, 0])
-            cylinder(h=10, d=3.2, center=true, $fn=100);
-
-            // Bottom screw thread protrusion cutout
-            translate([0, 0, -4.5])
-            cylinder(h=1.01, d=4.4, center=true, $fn=100);
-        }
+        translate([0, 0, -5])
+        screw_hole(10);
 
         // PTFE holes
         for (x = [-18, -10, 10, 18]) {