Parts for PCB Drill by Geminy_Studio

Here is some alternative parts for the PCB Drill (https://www.thingiverse.com/thing:1846582) by Geminy_Studio.

First I create a new motor mount for a drill I had laying arount, and that can be found on ebay (http://www.ebay.fr/itm/Mini-Micro-Small-Electric-Aluminum-Hand-Portable-Handheld-Drill-Bits-0-8-1-5mm-/381008422307?hash=item58b5df25a3:g:vI4AAOSw-jhUJrGD). It's in the file `mini driller holder.stl`.

To avoid pain to add and remove motors' mount in the slider, I design my alternative