First Dragon Tile

The first VT-Dragon was found in August 2024 by the author.
Preprints with more details are published at ResearchGate:
A new tile with surround number 2
The dragon tile and other solutions for enclosure problems-2024-11-21

Two copies of the tile can surround a third copy completely.
No point of the yellow tile touches the boundary of the whole tiling patch.

The tile admits a tiling of the plane, because the buttom of this strip fits exactly in the top of the stripe.

The number of edges can be reduced. Here 25-gon is shown.
But then the neck is very thin.