I printed this in PolyMaker PolyMax PC, formerly called PcMax. An Engineered Polycarbonate filament.
https://us.polymaker.com/product/polymax-pc/

With a Glass Transition Temperature of 113˚C, PolyMax PC has better heat resistance than PETG, ASA and ABS.

All PolyMax PC parts goes through the recommended annealing process. @90 degrees for 2 hours.

Square nut included, preinstalled. 

Flat shipping to USA.