Most teachers have not dealt with digital fabrication tools (3D printers, CNC machines, laser cutters, etc.) before encountering them in a school makerspace. Marketing videos usually show a time lapse of an object magically appearing on a build platform. The reality, though, is different. A modest print can take hours or even days, depending on the printer, the material, and the geometry of the print.
Resin and powder printers have messiness issues, as discussed in several chapters earlier in this book, and are at any rate out ...
