I too have decided to make the step to build a MPCNC. I’ve ordered all the parts I need (mostly import) and have been printing parts for the last few days. So far everything is looking great, my compliments for making such a great design.
I often print functional parts rather than decorative parts, so I run a bigger nozzle (0.8 mm) on my Ender 3. I’m printing at a layer height of 0.4 mm and while I could go with larger layers, I feel this is the best trade-off between detail and printing time. So far I’ve been cutting printing times in half compared to the example times with very conservative settings (I want these parts to be pristine). I believe parts will also be stronger, mainly perpendicular to the layers, since there the layers are fused over a larger area.
Anyway, I’ll post pictures as soon as I have something worthwhile to show.