Maple, Oak and Mahogany. Partially finished with spray lacquer (full finish would interfere with the mechanism)

This is my version for a project that was published by on Lumberjocks Expandable Trivets’ http://lumberjocks.com/projects/112297

I made several trivets based on his design, but i found it very similar to the famous ‘Penrose Triangle’, which is an impossible object. So i made a few minor changes with the design, and this is the result.

The video shows the simple but brilliant mechanism at work.

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