I built one of the ShopBot computer carts many years ago and only finally got around to painting the poor thing. In the process I added some 3D printed brackets for the 2" steel casters I wanted to use.

The brackets:



Finished cart:


The brackets are printed from PLA on my Rostock MAX "Orange Menace" using a hot-ends.com j-head with a .4 nozzle.

g.