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====== Valid Rhino Models for Scan&Solve Pro ======

Scan&Solve works with Rhino **solids** (polysurfaces), **extrusions**, and **meshes** that are valid representations of solid shapes. To determine if a model is a proper solid, use the Rhino command "What" on the geometry. It should report something similar to the following. 

===== Polysurfaces =====

{{:wiki:sns:snspro:sns52.png?400|}}

If the polysurface is a proper solid the listing should show:

  * "**Valid polysurface**"
  * "**Closed solid polysurface**"

as highlighted above. If your model is not recognized as solid, use the tools under Rhino's [Solid] menu to make it into a solid that Scan&Solve can use.

===== Extrusions =====

{{:wiki:sns:snspro:sns53.png?400|}}

If the extrusion object is a proper solid the listing should show:

  * "**Valid extrusion**"
  * "**Extrusion Surface**"
  * "**End caps: start and end capped**"

as highlighted above. If your models is missing end caps, use Rhino's tools to close the open ends. Then use Rhino's **[Join]** command to join the surfaces together to form a closed valid polysurface on which Scan&Solve can operate.

===== Meshes =====

{{:wiki:sns:snspro:sns54.png?400|}}

If the mesh is a proper solid the listing should show:

  * "**Valid mesh**"
  * "**Closed polygon mesh**"

as highlighted above. If your mesh is not a valid solid, the deficiencies can be corrected using Rhino's mesh repair and editing tools under the [Mesh] menu.