The fifteen pieces of this dissection fit into a pentagonal box with a wooden base, plastic sides and top, and paper lining. The pieces can be arranged as a regular pentagon, a square or a regular hexagon.
The pattern is first in 1979.3002.43 (folder 1).
Drawings of triangle-square-pentagon (14 pieces), triangle-square-pentagon-hexagon (26 pieces), square-pentagon-hexagon (15 pieces), triangle-square-hexagon (13 pieces)dated December 21, 1931 are in 1979.3002.43, folder 3.
This model apparently is not on Wheeler's list of decompositions of polygons.
For other versions of this dissection, see MA.304723.785 and MA.304723.768.
Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.