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Blender Biplane wing geometry

G

gtjohn1

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unitedstates
Apologies if this has been covered previously - I just joined the forum, and tried to search for relevant topics for this post but didn't see anything.

I am a beginning modeler, using Claude AI to generate Blender python scripts for 3d models of airplane components.
I'm working on modeling an early biplane (1920's era Douglas M-2 tailplane), and I've been able to generate scripts for the basic wing geometry: the airfoil shape (Clark Y), rib stations w/simulated fabric sag, and dihedral angle. I'm using a technical drawing (included) for details/measurements.

One thing I could use advice on is how to model the rounded wing tip - how the edge hoop/curve is designed and how the ribs change (chord length and height, position relative to spars).
This edge hoop/curve seems to be a common shape on early biplane wings (eg, I also see it on the Stearman), and I'm wondering if there is a standard way the parts of the curve relate to the spars and ribs that I could derive from the included drawing. It kind of looks like a combination of two (or three) inscribed circles are combined for the curve.

Thanks for any insight or suggestions!
 

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