ABS and PLA probably would be too soft but some locksmiths use soft material with a skill call impressioning. Most modern home FDM printers can reach temperatu

ABS and PLA probably would be too soft but some locksmiths use soft material with a skill call impressioning. Most modern home FDM printers can reach temperatures high enough to print with poly carbonate which would work fine as a key. PolyC is prone to warping but on such a thin print I doubt warping would be an issue.