.STEP files work the same as .STL, just drag and drop into your favorite slicer

Can do customs light boxes if you request them, please let me know
Backhole for the cable is 4mm in diameter, you can easily fit 2 cables in that hole please print with arachne walls and let me know how it goes please setup and calibrate your purge so the yellow can be the purest of all!

Nine Nine!