Try Angles (May 2013, Games)
(Interactive)

The Great Divide (March 2012, World of Puzzles)
(Interactive)

Packing (Winter 2011, Automation Notebook)

Region Division (September 2010, Games)
(Interactive)

Connect the Dots (June 2008, Bash)
(Interactive)
Dot Triangles (June 2008, Bash)
(Interactive)

Connect the Dots (March 2001 / October 2017, Games)
(Interactive)