I received a commission to make a highly unlikely dodecahedron, and after what seemed like a billion stitches, here it is.
Highly Unlikely Triangles and Other Impossible Figures in Bead Weaving. There, you can find a link to download the paper I presented at the Bridges Conference in 2015.
Highly Unlikely Triangle, shown below with bugle beads, but you can also use just seed beads. Thanks for looking.