Professor Kokichi Sugihara creates his mind-blowing illusions with mathRion NakayaApril 25, 2018May 25, 2018
Quirkology’s 10 Amazing Optical Illusions (and how to make them)Rion NakayaSeptember 29, 2015May 25, 2023
Kokichi Sugihara’s Impossible Rooftop & Folding Ladder IllusionsRion NakayaNovember 26, 2014November 15, 2018
How to draw a Penrose Rectangle & other impossible objectsRion NakayaSeptember 26, 2013December 13, 2022