Part file (Pro/Engineer)
PRT is a part or model file format used by PTC Pro/Engineer. PTC Pro/Engineer is a CAD program which creates design parts and assembly processes. PRT files are used to hold 3-D model information and part structure. PRT files can be combined with other files in an .ASM file, which stands for assembly file.
MIME: application/prt, application/x-prt, image/x-prt, application/pro_eng
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