Customizable Circle Template

A customizable circle template (OpenSCAD)

* For woodworking applications, this template is designed to be used as a circle template for a router using flush trim router bits or a plate bushing.
* Inner or outer template orientation
* Includes major registration marks for alignment every 45 degrees
* Minor registration marks every 15 degrees
* Customizable properties:
* Circle diameter
* Pen diameter offset
* Thickness
* Flange width
* Flange height
* Mounting hole diameter

Updates for version 1.01:
* Added mounting holes in 4mm metric or #8 screw diameter
* Can specify diameter in inches or cm
* Smaller registration marks for better edge clearance with mounting holes
* Better Customizer parameter text

Updates for version 1.02:
* Added inset text with the template diameter

Updates for version 1.03:
* Added fillet between flange and surround
* Reduced unnecessary facets