This is an update to my last post on modeling Celtic knots in Nomad Sculpt and creating depthmaps in Blender to carve with laser engravers and CNC machines. A newer feature in Nomad Sculpt makes it possible to export a depthmap directly, without having to go through Blender. A checkbox option in the debug menu (named “Heightmap”) switches to a depthmap view, which can be exported as a render. For best results, use a bitmap editor to spread the dynamic range.
I made a short video with a walkthrough: