The engineering collaboration platform

Share any 2D/3D CAD design with non-engineers. Get feedback via messages, not emails.

Try for free

Works with any 2D/3D file

Obi supports most 2D and 3D files, including DWG, STEP, DWF, RVT and Solidworks


Works on desktop, laptop, tablet and mobile.

As the way we work evolves, the tools we use to communicate need to change too.

We'd love to hear from you:

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