Proxxon Rotary Tool Dust Shoe Spacer/Adapter

this is an adapter for the great dust shoe for PROXXON tools by VVilhelnn. It enables the thing to be used with almost any motor mount, among which is also the following one: http://www.thingiverse.com/thing:748975

I printed it in TPE flex filament just for kicks. It stays inside its grove nicely that way and doesn't slide around.