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In video, where they are engraving aluminium, tables seems to not be flat.
nomad 833 guys (they developed meshcam) at least now what they are doing... better spindle, better software (not arduino...

other thing that bugs me in design- wouldn't be it beneficial to add some gears to belt-motor?

Why is your motor centered on Z axis? (I saw your gallery on flickr, and you had it offcentered from the start). Or should I ask, why Bob decided to put i on side?

Thanks, so I'll skip on that, I want to keep it desktop size.
considering steel for rails- thickness. More in relation to bearing size. In plans there is 6mm steel, which is about the same size as...

so after another day of looking at plans I got more clarity right now :) (in context why this part is that thick, what coresponding dimensions I have to change etc) so I think i will just go with...

I'm thinking about going for linear rails for x and y axis. I'm from Poland, and I think it would be easier for me, because right know thinking about momus steel rails /bearings give me headace (what...

how do you attached those 80/20 extrusions to plywood?