Unfolding solids

Hi, is there a way to unfold a solid part in Rhino without exploding it? Maybe with bend deduction?

Hi @Harold1
That depends very much on the part. In theory yes, you can use tools like Bend, Flow and CageEdit to unfold, but the result can sometimes be either very complex or downright faulty; unless you are talking about something simple like box. Sometimes (most times) it’s way easier to just extract the outer or inner faces and use Unfold. But post your geometry/screenshots, so that you might get some actual help instead of just guesses.:slight_smile:
HTH, Jakob

I used to use SolidWorks, which had a way of flattening a part using bend deduction and the K-Factor. I can use the Bend and Flow tools in Rhino, but I was wondering if I’ve been missing an easier method like the one in SolidWorks.

Ah, so it’s sheet metal. No built in solution, no. There’s a plugin to try out - I’ve no experience with it, so no idea if it’s worth the money.
https://www.food4rhino.com/en/app/smart-unroll-sheet-metal-rhino
HTH, Jakob

Thanks for the help.

You would model your mid-surface, not a solid, and use UnrollSrf. No it’s not going to have k-factors.

1 Like