Impossible Dovetail in a Pentagon

[Clickspring](www.clickspringprojects.com) did a classic example of this puzzle in brass and aluminum (thingiverse examples [here](https://www.thingiverse.com/thing:2087232) and [here](https://www.thingiverse.com/thing:1239208)). My variant bumps the number of sides up from four to five. There are also a couple of hexagon variants here on thingiverse ([here](https://www.thingiverse.com/thing:2167705) and [here](https://www.thingiverse.com/thing:2182438)).

I have not printed this off and hav