Luzbot Taz 4/5 Bed Leveler

**edit 11/25/17** if you are interested in BuildTak's FlexPlate system, take a look at my additional mod I've posted here: https://www.thingiverse.com/thing:2669280

I'm very pleased with how this mod turned out. It is quite simple and can completely be reverted if you so choose. I really can't believe I didn't think to do this sooner, but I'm trying to buy as much life out of my Taz 4 as possible and the only area I haven't upgraded is the bed leveling.

The dial is a remix of the model I'v