| Company: | PTC |
| Notes: | These files appear and disappear at various times when using Pro/ENGINEER. They are part of what PTC collectively calls "turd" files and the display of them in the program can be turned off in the options. |
| Mime: | application/x-gca-compressed |
| Links: | ViewMate Free Gerber File ViewerGC-Prevue Free Gerber File Viewer |
| Ident: | Hex: 30 20 48 45 41 44
ASCII: 0.HEAD |
| Class: | CAD/CAM |
