Proxxon Rotary Tool IBS/E dust shoe CNC spindle using a 20mm Motor Mount (v3)

A dust shoe for Proxxon rotatory tool use as spindle for CNC machine. Pictured is a Shapeoko CNC. Using a 20mm motor mount, usually refer as (ID20mm Spindle Motor Mount Proxxon IB/E 50/E), This is a remake, the old version has a fixed intake collar, depending on the tool length it could end-up too far from the work-piece to be effective. This version adds a exchangeable intake collars with different lengths to aid mitigate the problem.