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this is a set of 11 different elliptical and circular drawing templates that you can cut out on your own laser cutter.
There are 3 different types of templates included:
Elliptical templates where all the cutouts have the same height with a variation of tilt from 100% (Circle) to 25% (flat ellipse/circle seen at a very shallow angle). This style comes in 20mm, 25mm, 30mm, 35mm and 40mm.
Elliptical templates where all the cutouts have the same angle but vary in size. These templates come in 30%, 40%, 50%, 60% and 70% tilt.
And one circular template that has circles from size 10mm to 70mm
All the templates come with 3 layers, the engraving layer with the information on it - you should engrave this first. A layer with all the hole cutouts, cut this second, and finally the outer perimeter which should be cut last.
The file format these come in is DXF.