Hi. I need some help ! How to join a circle toi a square to make a complexe volume ? (in french version !)

[image] Eric BENOIT: How to join a circle toi a square to make a complexe volume ? (in french version !) Could you give it a try with CurveBoolean ? CurveBoolean | Rhino 3-D modeling The CurveBoolean command trims, splits, and joins curves based on their overlapping regions. …

What @jessesn wrote. [Skärmbild 2026-03-23 11.40.18]

As the word ‘volume’ was mentioned in the OP’s post… Do you want to create a surface transitioning from a circle to a square? In that case you might want to investigate the Loft command. [image]

How will the volume be manufactured? Manufacturing requirements can dictate how the shape should be created. For instance if the shape will be created by bending or rolling sheet metal then the shape should be “developable” which is a different shape than shown in Helvetosaur’s post above or the th…

Hi. Thanks for your answer. The function “Loft” does not exist in the french version of Rhino :frowning: So, I try to find wich command would operate to have the same result. I tried “balayage1” and “SurfaceParSections”… But all these seem to be mor complicate :frowning: So, I would like to know…

You can force english with underscore e.g. _Loft [image]

[Capture d'écran 2026-03-24 122944]

Yeah ! Great ! :smiling_face_with_three_hearts:

A thousand thanks! It’s great! :slightly_smiling_face:

Join a circle to a square

Rhino

Gijs (Gijs de Zwart) March 23, 2026, 12:51pm 5

in that case also see: Blending a square and a circle

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Join a circle to a square

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