rndsumgen

If your just after hole/connector layout https://github.com/G4Cab/BigTreeTechGTR has step & fusion in it. There are step files in the repository though. So it's may not be what your after.

Check out https://github.com/GadgetAngel/GTR-V1.0-Stepper-Driver-Jumper-Configuration-Manual/blob/master/CURRENT-Manual/HD-Diagrams/GTR_V1.0_Colored_PIN_Diagram_300ppi.jpg Lots of diagrams/schematics if you brows that repository.

Betting it suffers from the problem I was having with the Feather M4 express which is it cuts off the SPI pin Not sure if it's changing clock or buss...

I was looking through the same file for the same thing for the same reasons. Noticed it missing curious for a response. Would love to see/hear about it having the...