3.1.0 Rhino Model - Double precision in Speckle viewer

Speckle Help Help (Legacy V2)
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weird handrail.3dm (235.1 KB)

Hello folks, in Rhino 8.15.25013.13001, using speckle.rhino.installer-3.1.0, the preview of this handrail off in world space is getting butchered:

image
image778×778 27.3 KB

Something to do with double precision meshing out of Rhino? Hopefully this .3dm is enough to recreate it.

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Hi @chris.welch,

We have investigated on our end and it looks like a mesh conversion issue on these exceptional handrails.

Logged it to fix if possible. Thanks for reporting

Best

1 Like
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As an interim we ended up meshing them in GH by:

  • Getting the bounding box
  • Moving the handrail center-to-center to 0,0,0
  • Meshing at 0,0,0
  • Inverse transforming back to world space

Which is something you could do programmatically when generating the preview geo for speckle

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