Model Viewer - Design Surface does not trim to the Base Surface #
Posted by Shane O'Rorke, Last modified by Selwyn Pendergast on 13 March 2020 09:44 AM

You have created a design on your base surface, and when you show it in Model Viewer the trimming isn't applied or is only partially applied.

There are a few possible causes for this:

  • Surface discontinuity - the trimming algorithm is expecting a single 'outer' boundary for the surface. ┬áIf your surface is not contiguous (there are multiple areas of triangulation with gaps between) the software will try to form a single boundary around all the triangles
  • The Base Surface has been simplified - this can cause large triangles next to very small/sliver triangles on the design surface, which the software algorithm may fail to detect as a border
  • The Base Surface has been set to 'fast draw' or cached - in these cases the boundary is either not applied or not updated following edits in the design

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