Ed Roy, after restoring his 1911 Simplex, he set out to build a fully operational 1/6 scale model of each body style Simplex offered in 1911.

http://vintagemotoring.blogspot.com/2012/05/ed-roy-master-craftsman.html

Special Interest Autos (Hemmings?) #60, December 1980. And a bonus article from the same issue, as Marc Stern profiles the 1/6-scale Simplexes that Ed Roy built.

https://blog.hemmings.com/index.php/2009/12/27/sia-flashback-complex-simplex-and-chevrolets-almost-4-place-vette/
http://forums.aaca.org/topic/161797-1911-simplex-in-miniature/