M40 nuts for lamp shades

cults3d

M40x1.5 (4mm thick) M40x2 (4mm thick) M40x2.5 (4mm thick) M40x3 (5mm thick) If you're having problems with the nuts being too tight, increase X and Y scale to 102% (but don't use uniform scaling, since scaling Z will change the pitch.) Print at 0.2mm Use raft if your bed isn't ultra super mega tuned to prevent elephants foot on the threads.