Hypercube 300 - Lite & Piezo Lite Carriage plus Other Mods

Update Aug 22, 2018:
I've created both carriages on a tinkercad page with the standard 10.00mm bore holes. If you need to change the bore hole size you can copy to your own page, change the dimensions of the negative cylinder and combine, then save to stl.
https://www.tinkercad.com/things/fceVjI97dml#/
If you don't have a tinkercad account, you'll need to create one.

Update Aug 16, 2018:
There was an couple errors in the regular carriage pointed out to me that I've fixed. There was a v