For anyone looking into gridfinity for 3d printing I recommend the parametric designer for the baseplates here: makerworld.com/de/models/70...
makerworld.comGRIPS: GRidfinity Interlocking basePlate System by TooManyThingsBuilt on MakerWorld's Parametric Model Maker, GRIPS allows you to generate custom size Gridfinity baseplates. The GRIPS customizer automatically cuts the baseplate into pieces sized for your print...