An updated fork of this patch is available via JanUlrich/grbl-laser.

Quality of life patches to Autodesk's Fusion 360 Grbl Laser post processor. Designed for use with the SainSmart Genmitsu CNC Router 3018-PRO machine and firmware on Grbl version 1.1 (with no 1.1 exclusive features used).

• Implements the onPower function, ensuring the laser cutter is turned on and off between moves instead of remaining always on and creating burn streaks.
• throughPower, etchPower and vaporizePower properties are now multipliers of the newly added maxPowerLevel property. This reduces the usage of firmware dependent magic numbers and simplifies scale adjustments.
• Adds throughPassCount which enables duplicating through cutting operations (with optional comment header).

• Ensure you have Git installed.
• Clone this repository using git clone https://github.com/Cryptkeeper/grbl-laser
• Download a copy of Autodesk's Fusion 360 Grbl Laser post processor. Move it into the cloned grbl-laser directory and rename it to grbl laser copy.cps
• Run git apply grbl-laser.patch to apply the patch
• If successful, your patched copy will be named grbl laser.cps

Copy this file to your Autodesk's Fusion 360 CAM/Posts/ directory.