What I'm seeing is this isn't just A Free CAM discussion but also the CAD 
version that gets you to CAM and the platform it runs on since Linux, Windows 
and MacOS have all come up.As I'm still upset that there was some sort of 
falling out between Alibre and MecSoft I've stuck with an older version of both 
where MecSoft 'AlibreCAM' can still work with native AlibreCAD files.A change 
to the drawing doesn't always invalidate all the CAM work the way importing a 
step file into VisualCAM from MecSoft or any other CAM software.So I'm still 
puzzled why so few LinuxCNC folks who use Windows for the CAD/CAM side aren't 
using Alibre.  For me of all the CAD packages it's the _only_ CAD I've found 
that works for me.  If the FreeCAD user interface was like that I'd switch in a 
heartbeat!And if enough people decided they would buy Alibre on the condition 
that MecSoft reincorporate it as a CAM module inside Alibre maybe it would 
happen?Sent from my Samsung S10
-------- Original message --------From: andy pugh <[email protected]> Date: 
2026-10-13  12:50 a.m.  (GMT+00:00) To: "Enhanced Machine Controller (EMC)" 
<[email protected]> Subject: Re: [Emc-users] Free CAM On Mon, 12 
Oct 2026 at 23:20, Chris Albertson <[email protected]> wrote:>> The 
hardware and OS might make a difference.     FreeCAD’s user interface is 
written using QT,  And then inside QT is a 3D engine that runs on OpenGL.  
Performance will depend on how well your platform runs OpenGL.I run FreeCAD on 
MacOS and have to admit that the graphics performanceis not stellar.But I am 
slowly getting used to the differences from Fusion.-- atp"A motorcycle is a 
bicycle with a pandemonium attachment and isdesigned for the especial use of 
mechanical geniuses, daredevils andlunatics."— George Fitch, Atlanta 
Constitution Newspaper, 
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