GD1 file extension - Gerber format file
What is gd1 file? How to open gd1 files?
File type specification:
The GD1 file extension is generally related to one of the many Gerber formats.
A Gerber File is a file format used by printed circuit board manufacturing machines to layout electrical connections such as traces, vias, and pads (the component footprints on the PCB). In addition, the file contains information for drilling, and milling the completed circuit board.