4th axis - a simplistic approach

How to achieve a “4th” axis on a regular 3axis router CNC - just came over this video showing the technique and dont recall seeing it here on the forum:


That is cool! Nice find :+1:

at first I thought that wouldn’t stand up to large forces but upon closer inspection it seems very well engineered.

Very cool idea!

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Aside from just a simple cylindrical shape, I can’t even begin to comprehend how you would design something with this method.