Hi, I need your help to find the best workflow for cleaning up a 3D scan in Rhino. I’ve attached a video showing what I’m trying to achieve.
On the left side of the video, you’ll see the result I want: a clean mesh, with sharp edges, no holes, and no issues with normals. That mesh was processed using Peel.CAD.
On the right side, you can see the same mesh before cleanup. I’ve tried manual retopology (shown in purple), but it’s too time-consuming. I also tried QuadRemesh (shown in red), but there are some areas I don’t want to remesh or modify.
My question is: what workflow or combination of tools in Rhino would you recommend to achieve a similar clean result like the mesh on the left, without spending too much time manually?
I’d do a combo of your manual retopo and shrinkwrap.
you’ll need to patch over the holes however you see fit, ( i refer to this as digital bondo) then make it a solid by extruding the edges down and capping it.
once you have a collection of surfaces that can contain a volume, shrink wrap it playing with the edge length and smoothness settings (smaller edge length, larger smoothing)
you can even pile a few versions of a shrinkwrapped part on top of each other to create a solid object at different resolutions (coarse to fill holes, fine to capture details and then shrinkwrap the whole shebang at once to create a final part.
see this video for ideas on mesh repair-
sadly there is no magic bullet to fix scans that are rough like this, and it will be a tedious and a bit painful, but it can be done. At least the mesh tools in v8 work now…you’d be dead trying to do this in v7 or earlier.
