This is a post by Geoff Hedges on PTC site.

The napkin sketch. We hear about it a lot when we talk about design innovation. Despite sophisticated design tools, many great ideas still start as scratchings on a diner or barroom napkin–the nearest tool available when inspiration came.

But napkins have their drawbacks. They tear, they fade, they don’t really help you draw curves.

Those drawbacks are especially obvious when you see what Creo Sketch can do. What is Creo Sketch? It’s a free 2D drawing app–made for the moments when you’re more of a visionary than a technician. It costs less than most napkins, it’s FREE to download and use, includes freehand drawing tools, and doesn’t require any special CAD expertise to use.

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