1. 2,5d canvas is totally destructive and extremely inconvenient . Still working on real sub-tool planes is often not possible at all . My subtools are often pieces of photogrammetry scanned subjects 20 mil each and I have to compose tileable textures from them so I really need a 2,5D composing solution , just more…
No, I don't use nanotile plugin. Still I drop often on the canvas because it's getting too much for Zbrush to cope with all those millions. Hope your solution would be a workaround for that exact problem. Once I come to nanomeshes i.e tiny details covering the surface and fibers I just don't bother to make them perfectly…