Trimmed Surface Tween

Hi, I’m trying to achieve a tween between curves on surfaces, however as after I trim the surface it turns into a trimmed surface and grasshopper does not recognise that a hole has been cut.

I’m hoping to find a solution that allows me to cut different shapes into the surface, and the tween curves on surface to recognise and readjust.

I’ve attached a screenshot of the desired effect I’m going for, any help would be greatly appreciated.

Many thanks in advance!

Cut Hole in (170.9 KB)
Cut Hole in Tween.3dm (462.0 KB)

In your GH file the surface you have is without a hole - hence grasshopper doesn’t know it’s trimmed.

Try loading the actual trimmed surface?

I did that, then instead of tween curves I used Iso Curve:
Cut Hole in (177.2 KB)

Check if it works!

Thanks René, also substituting tween curves on surfaces also reduced the overall load too, didnt think to use this at all.

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