MP Select Mini 4DM Brutus Z-Support

It uses 6mm rod and bearings. The Screw Holes on mine was a bit off and I had a bit of warp but I adjusted the holes and they "should" be better now.

I used this Clamp
http://www.thingiverse.com/thing:2049691

Here is the fusion 360 link if you wanted to make changes.
http://a360.co/2o4u8ey

The Build area is bigger because of 4DM's Expansion Kit.
https://4th-dimension-modifications.myshopify.com/