PCB Fabrication

Seeedstudio experience...

Generate gerber files and zip.

RS-274x format.

Top Layer: pcbname.GTL

Inner Layer: pcbname.GL2 (for 4-layer board)

Inner Layer: pcbname.GL3 (for 4-layer board)

Bottom Layer: pcbname.GBL

Solder Mask Top: pcbname.GTS

Solder Mask Bottom: pcbname.GBS

Silkscreen Top: pcbname.GTO

Silkscreen Bottom: pcbname.GBO

Drill Drawing: pcbname.TXT (Excellon format)

Board Outline:pcbname.GML/GKO


  • Fiducial or mark point size - 1mm diameter
  • Eagle Milling Layer 46 and add note

SeeedStudio NEW PCB