You can open ASC files with Meshlab (free) then export as an STL and use either GOM Inspect (free) or MeshMixer (free) to clean up for mesh.
Type: Posts; User: 3dprintau
You can open ASC files with Meshlab (free) then export as an STL and use either GOM Inspect (free) or MeshMixer (free) to clean up for mesh.