Lynda Tutorial on 123d Catch

Lynda Tutorial for Up and running with 3d printing 

Lynda Tutorial Introduction to Netfabb

Select Mesh Repair Tools

Mesh Repair tools in Rhino (Mesh>Mesh Tool Repair) “Fill Hole, Fill All Holes, Patch Single Face”

After running these repair tools run (Mesh>Mesh Tool Repair) “Unify Normals”

Mesh Edit Tools in Rhino (Mesh>Mesh Edit Tools) “Weld, Weld Selected Vertices”

Show naked edges (Analyze>Edge Tools) “Show Edges, Join 3 Naked Edges, Rebuild Edges”