Just an update - With all your help I have been able to get the CAM I was working on sorted on screen. I just have not had time to test it all works on my machine.
Will post when I have done the tests.

My machine is a home built one with 3 Axis x,y z with a Katsu Router. I use it mainly for hardwoods like oak. i.e. this model is of Dr Who's Tardis and is only just over 3 inches tall and will be milled from one solid block. My machine is running GRBL 1.1 on Arduino and is controlled by UGS on a win...

Thanks for getting back to me - this is my about info OS: Windows 10 (10.0) Word size of OS: 64-bit Word size of FreeCAD: 64-bit Version: 0.19.23578 (Git) Build type: Release Branch: master Hash: 50c3cbf00579dc4941ca743c25720d016b0453ce Python version: 3.8.6 Qt version: 5.12.5 Coin version: 4.0.0 OC...

I tried using 3D Surface on one side, and the results appeared quite usable. The only wrinkle is that you need to select every flat surface. Gene - thanks for this pointer - I could not find 3D Surface only "Pocket 3D" but by selecting every flat surface I got the results shown below. Alm...

I plan to prep a longer than required piece of stock and clamp into a known location then run the cam 4 times i.e. 1 side at a time, then slice the ends off.

I am trying to learn FreeCad and have got on ok with the CAD side but am struggling with the CAM. My model is an easy shape but all the tools I tried on the CAM side have failed in one way of another. I am not sure if my CAD model is faulty of I am just not getting the CAM side. I want to use a 3.17...

I recently started using FreeCAD and found this video great for understanding setting up jobs for machining.

https://www.youtube.com/watch?v=QjlfL5IQxzI&t=322s

Watch the whole series to get the full understanding.

Thanks to @sliptonic for the videos

Hi I have recently moved from another tool that has just changed its terms of use :lol: and am totally impressed with FreeCad. I am also fairly new to the world of CNC and so please be understanding. I have a home build standard 3 Axis machine running GRBL 1.1f from an Arduino UNO. However as far as...