About this 3D model

This is a guide for drilling holes in 2020 aluminum extrusion. It has holes at 10mm intervals from 10mm to 100mm. It is useful primarily as a layout and marking tool, obviously PETG is not going to keep a steel drill bit from wandering. There are three sets of hole guides: 4mm - for a center punch to mark for holes 6mm - for drilling holes for M6 screws 11mm - for drilling holes to counter sink the heads of socket head M6 screws