Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:3884788.

Here are all the parts to fully overhaul an Ender3 into a monster. Don't expect much support, this sort of started out as a joke.

BOM:

Ender3

3DFused full x, y, z, rail kit https://3dfused.com/product/ender-3-ender-3-pro-xz-axis-linear-rail-kit/ https://3dfused.com/product/ender-3-ender-3-pro-y-axis-linear-rail-kit/

E3D, extruder, steppers

Duet3

Duet3 RepRap3 Configuration https://github.com/bdtower8/Duet3Ender3