Extensible Burr Set

## ## Extensible Burr Set

UPDATED February 2021 a redesigned tray, a new "even more burr set", and a few errata (see below).

This is a modular collection of pieces for making classic six-piece burr puzzles. It encompasses several well-known burr sets, modeled with identical dimensions to make them interchangeable. You can print one or more individual sets, a "comprehensive" set that includes 125 pieces, and/or individual combinations of pieces as necessary. Models are also included for tra