Lofting Perfect Conoids

[jebbesherbert]

I want to make a Conoid. The basic loft commands uses the length of the curve to create ruling lines. Is there a way tore-parameterize the arc? I’m aware I can sweep or loft the ruling lines but this creates tiny imperfections

Ruling lines from normal loft

Side view where ruling lines are not parallel

Ruling lines of conoid loft

Side view where ruling lines are parallel

Difference between the two surfaces.

[maje90 (Riccardo Majewski)]

This is a conoid:

and it have no parallel “ruling lines” , even if seen from any view.

@jebbesherbert

Is there a way tore-parameterize the arc?

Can you explain better?

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Loft, as far as i know, make perfect conoids…

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@jebbesherbert

Side view where ruling lines are parallel

If you want that side view result with parallel ruling lines, you can make it like this, with high enough divisions to be sure:

conoid.gh (7.4 KB)