Extremely sturdy DIY CNC with small form factor, suitable for milling steel

I build two small size CNC machines which are capable of milling steel. Ideal for watchmakers, knifemakers, scale modelist and ambitious hobby machinists. In this video I show the machining of two key parts and explain how and why extruded profiles in CNC builds should be filled with epoxy granite. Link to the video with the design details:    • Super rigid small CNC machine, capable of ...   Casting Sand: https://amzn.to/4vB9HH0 Epoxy: https://amzn.to/4wPwe3S Black Dye: https://amzn.to/4hj1PX4 Video Chapters: 0:00 Intro 0:57 Machining the base plate 8:19 Machining the W-shaped ball screw nut housing 11:56 Filling the extruded profiles 16:09 Machining the extruded profiles 18:01 Conclusion 18:50 Outro #cnc #cncmachine #cncrouter #cncmachining #watchmaker #watchmaking