To flatten 3D surface

I need to flatten a 3D surface so I can get the surface laser cut., Can someone tell me which command I should use. I have tried “smash” and “flatten Srf” but to no avail.

The answer depends on the shape of the 3D surface. Many 3D surfaces cannot be flattened without distortion due to basic geometry, not Rhino limitations.

Try UnrollSrf, Smash and Squish.

Thanks I will try that.

If nothing works well, try this professional plugin called ExactFlat:

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Very good plug in for what I want! But , very expensive as a plug in!

Have a look at their online service. You don’t have to buy a full licence :wink: