Projecting a complex 3d object into 2d outline plan view in SU?

HANDLE BAR.skp (89.9 KB)

I always try to create a 2d outline of any 3d Warehouse models I create and try to maintain the accuracy of the 3d form, but this little handlebar element is testing my patience. Anyone care to suggest a quick technique ?

I usually just project down and draw on the ground plane most 2d outlines or use the wonderful extension “Drop Vertices” to flatten the object on the zero plane but with a tubular form and sloping and angled bar axes that becomes a mash of overlaying surfaces.

I also tried enclosing the flattened object in an larger rectangle to define the edge but that failed to discretely isolate the boundary edge of the handlebar,

ANDLEBAR 2D FLATTENED.skp (221.9 KB)

Solved.. creating an internal closed surface and an external closed surface worked

Project down how?

I created a plan view scene of the handle bar and sent the model to LO. After setting a suitable scale I exported a .dxf file which I imported into SU.

The shape is simple enough in plan view I might have just modeled the flat version from scratch in SU. I would have made it symmetrical though and that might not be right since the original doesn’t appear to be.

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Thanks Dave, I was just trying to find a quick and dirty process in SU, but going via LO is certainly more efficient with more complex objects..

I don’t know if it’s more efficient but it’s pretty straightforward and easy enough to do. Select a paper size that is large enough to display the plan view at 1:1 so when you import it into SU it’s the correct size right away.

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Have you tried Curic Make 2D. It’s exactly for what you’re looking for.

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that looks cool !

I’m not entirely familiar with Fredo Portrait, but wondering if that does this too.