About this 3D model

I made this part to check customizer and play with openscad. It is based on this: http://www.thingiverse.com/thing:36240 from Petehagoras The dimensions for the holes are taken from jonaskuehling's openscad model http://www.thingiverse.com/thing:18379 (Greg's Wade reloaded) The dimensions are tight, so i don't know if it will work out of the box. I didn't check if already existed for every hole. I'm not familiar with licences so i'll keep the original.