Universal X Carriage for PRUSA i3

*** THIS THING IS A WORK-IN-PROGRESS ***

This is (I think) an universal X carriage for the PRUSA i3. The main goal is to make it accept an extruder with 24mm or 30mm between the holes for attachment.

I'm currently designing an extruder, looking at all clever design from others, some 24mm, some 30mm, some even larger, so why not both! Nothing invented here, just a remake of the great original.

I didn't actually printed the thing, I just want feedback, is this a good idea, what's good/wro