Replacement for the standard "spindle mount" that comes with the shapeoko builder's kit.The original files came from: https://github.com/shapeoko/ShapeOko/downloads, set_uhmw_dremel_mounts.zip — UHMW Dremel Mount Upgrade. Converted it to the stl files found here. I had to scale both mounts up 1.05 using Slic3r, to fit the Master Mechanic, 1.2A Rotory Tool , Part #139783, I got in my kit before printing. with 70% fill, 2 shells and .25 layers.Parts used: 4 X M5 16mm to attach to the Makerslide. 2 X M5 35mm for the clamps.