Parametric cable surface mount screw holder

A parametric cable guide/holder, with countersunk screw holes to securely attach cables to a (wood or similar) surface.

The included STL file is generated with the default settings in the SCAD file. All dimensions are in millimetres (mm).

***Note: This Thing includes my RoundedRect.scad module file. Simply place this file in the same directory as Cable surface holder v1.scad for the import to work.***

Every part of the model is parametric:
- *CableCutW*: Width of the cutout section, including rounded corners
- *CableCutDi*: Diameter of corners in cable cutout section.
- *HolderMinH*: Height of thin part of holder, over cable cutout.
- *HolderW*: Width of short edge of cable holder (length is calculated).
- *HolderH*: Height of full holder. The height of the cable cutout is `HolderH - HolderMinH`.
- *ScrewDi*: Diameter of main part of screw hole.
- *ScrewCountersinkDi*: Diameter of widest part of screw head to countersink. The countersink is automatically created to be a