The main distinctive feature of this design of impossible triangle is that there's not straight lines of in the figure. Borders between sides of the triangle and border of the figure itself is defined by shape of ornament, which fills each side of the triangle.
This design of impossible triangle was created for printing on T-shirts.
Artist's deviantART profile http://adamdedman.deviantart.com
Artist's personal web site http://www.itscallingme.com