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

Similar to Scan&Solve 2014, Scan&Solve Pro 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 Pro 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 Pro 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.

In **addition**, Scan&Solve Pro can also work with assemblies of multiple components (solids) in bonded contact with each component comprised of different material. For example, the figure below shows such an assembly:

{{:wiki:sns:snspro:sns55.png?400|}}