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Project 3D Geometry in API

Message 1 of 3
424 Views, 2 Replies

Project 3D Geometry in API

Currently trying to find a way to project the 3D geometry of a bRepBody within the API (in python) so I can use it as a path in a sweep, I've read some posts on 2D sketch projection but haven't found anything to help with this.


I'm trying to project only the outermost edge of the helix (highlighted in purple) into a sketch, and then use this to create a path. I've previously tried to create a path using the edges of the body but this gives me a path composed of both the inner and outer edges, when I only want the outer edge.

Screen Shot 2018-11-26 at 23.32.52.png 


Can anyone help with this?



Message 2 of 3

You can use the edge directly to create the path for the sweep and there's no need to create a sketch curve.  However, in cases where you need a sketch curve for some reason, you can use the Sketch.include method.  You don't want a projection because that will project the curve onto a plane to create a 2D curve and in this case, you still want the full 3D shape of the edge, which the include provides.

Brian Ekins
Inventor and Fusion 360 API Expert
Message 3 of 3

After going back and doing some experimentation I've got it working with the edges now, thanks for the clarification!

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