The ability to craft anything from your imagination makes 3D printers invaluable for DIY projects involving microcontrollers, ...

After designing your files in a 3D modeling program, you export them to the slicer, mostly in STL, OBJ, or 3MF format, which turns them into instructions that the 3D printer understands ...

What a let down. Part of this is due to shortcomings in the STL file format. There’s a newer format available, 3MF, and Josef Prusa and Jakub Kočí would like you to start using it. STL ...