Hopefully I'll get a drawing done shortly as I've been busy with work lately,,,been looking at some products....would 80*80 extrusion be sturdy enough for the frame ,,,also 20mm linear rails and hiwin guide blocks for the x,y axis.....also rack and pinion on the x,y axis,,,driven by nema 34 steppers,,,the extrusion I viewed on k,j,n. aluminum profiles...