Hi Marie,

You could use [gemmouse] to locate your cursor in the gemwin and there's an object that lets you manipulate a mesh at points but I can't remember what it's called. The other object that comes to mind is [model] which allows you to import 3D models from external software, which isn't what you're asking but might be useful. 

I don't know of a way to draw with polygons in GEM, if there is one I'd love to hear about it too.

cheers 
Richie

On Wed, 6 Sep 2017 at 3:09 pm, Jean-Marie Adrien <jm.adrien.mnt@gmail.com> wrote:
Hello
Is there an object to draw a closed shape with the mouse in a GEM window so that it can be processed afterwards like generic objects such as squares and circles ?
Thanks
JM
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