Build using standard parts as much as possible, Open Builds etc. To keep printer usable for more materials will be trying a heated bed with rotary elec union for the thermistor and power.

Transformation of an OpenBuilds Mini Mill into a convertible 3D printer / CNC mill with interchangeable tooling. Maybe a bonus conversion TBD.

How to build an Independent Dual EXtruder (IDEX) 3D printer from OpenBuilds parts.

A Large format 3D printer

The 3D printer will be able to print 2x2x2m components and not just in PLA or ABS. It's not just a DIY printer but I'm trying to apply engineering formulas to make it. I'm going to apply the state of art for 3D printing and scannering existing.

XDrive 3d printer, high quality large build volume.

Proteus is the Greek God of change. Besides the numerous aspect of 3D printing that this could relate to this machine like the god can change. The Build allows for an interchanging head that will allow different functionality to be quickly and easily adapted. So you could print clay, silicon, plastic, cut with a laser cutter or even attach a rotary tool