An advertisement in Popular Mechanics Sept 1923 depicts a crate joint in which each structural member overlaps the other two, and which uses bolts to secure them to each other.
Phil and RJ Jergenson and Joy Livingwell compile 30 years of innovation around Ken's framing system into How to Build With Gridbeam
Erik Hunting wrote an influential blog about non-toxic shelter.
Early open source 3D printers are prototyped using 1 inch square steel perforated tubing as part of the wrench-built machine, RepRap Eiffel, and RepRap Pythagoras. Zach Hoeken writes Pull Yourself Together Bot!". The RepRap Building System is conceived.
Griddome is exhibited at Detroit Maker Faire 2012 and San Francisco Maker Faire 2013.
- OpenSCAD library, thingdoc fork, openjscad work
- Lansing studio