Extracting Gerber & NC Drill from Altium

To extract Gerber data from Altium, first extract Gerber plot layers:

STEP 1 – From the Menu, select File -> Fabrication Options -> Gerber Files

This will display the Gerber Setup Screen which has 5 tabs: General, Layers, Drill Drawing, Apertures & Advanced

STEP 2 – Work through the 5 tabs

General: Select Inches for Units and 2:5 for Format

Layers: Click on Plot Layers (bottom left of screen) and select Used On

Drill Drawing: Select Bottom Layer-Top Layer for both Drill Drawing Plots and Drill Guide Plots

Apertures: Select Embedded Apertures (RS274X)

Advanced:

  • Film Size X: 20000 mil, Y: 16000 mil, Border Size: 1000 mil
  • Aperture Matching Tolerances: + & – both 0.005 mil
  • Batch Mode: Select Separate File per Layer
  • Leading/Trailing Zeros: Select Suppress Leading Zeros
  • Position On Film: Select Reference to relative origin
  • Plotter Type: Select (Unsorted (rastered)
  • Other: Select Change Location Commands & Generate DRC Rules

Click OK and Gerber plot layer extraction will commence.

Next, extract NC Drill data

STEP 1 – From the Menu, select File -> Fabrication Options -> NC Drill Files

This will display the NC Drill Setup Screen.

STEP 2 – Work through the Screen Options

  • NC Drill Format – Select Inches for Units and 2:5 for Format
  • Leading/Trailing Zeros: Select Suppress Trailing Zeros
  • Coordinate Positions: Select Reference to Relative Origin
  • Other: Select Optimize Change Location Commands

Click OK and NC Drill data extraction will commence.