cloud fodder on Nostr: i have now reached the stage of 3d printing where i am wondering why the mm doesnt ...

i have now reached the stage of 3d printing where i am wondering why the mm doesnt match exactly what orca says it's supposed to be 😂😂😂 (apparently) #gridfinity

at least, im assuming this is a thing i never really had to wonder before 🤔 why do all the electronics cases i print seem perfect but the dimensions for other stuff is off? 🤔🤔🤔