MeshRepair V4 SR1 Plugin
Summary: Mesh Repair Wizard
  Download MeshRepair Plug-in of July 30
Please note that this plugin works with Rhino V4 SR1 or higher. It will not load with SR0
  Commands:
The plugin has one command “MeshRepair”. It opens a dockable window.
  Flow:
Call MeshRepair command to open the dockable MeshRepair wizard
  Page 1:
Select a mesh then Click CheckMesh. If the mesh is bad, RepairMesh button is enabled and full mesh details show on the window.
From this point on, all commands are applied to the mesh(s) you selected only.
  Page2:
You can check any number of items you want to repair, then click Repair, naked edges count is updated.
Once you've done everything you could in this page, you can click next.
  Page 3:
Filling small gaps calls Rhino command MatchMeshEdges.
If you hit Draw Graph button, you can get a feedback about how many of the naked edges would be resolved around what distance.
The graph gives feedback about number of naked edges in the range between min and max distances.
The wizard claculates 11 sample points in the range.
  Page 4:
Additional commands to help repairing meshes for special cases.
  Pressing Finish button in the wizard clears the list of meshes examined.
  Please send feedback, questions and suggestions to Rhino newsgroup with the word MeshRepair in the subject:
news: news.rhino3d.com/rhino