@inproceedings{bridges2007:277, author = {Tsuiki, Hideki}, title = {Does it Look Square? Hexagonal Bipyramids, Triangular Antiprismoids, and their Fractals}, pages = {277--286}, booktitle = {Bridges Donostia: Mathematics, Music, Art, Architecture, Culture}, year = {2007}, editor = {Sarhangi, Reza and Barrallo, Javier}, isbn = {0-9665201-8-1}, issn = {1099-6702}, publisher = {Tarquin Publications}, address = {London}, url = {http://archive.bridgesmathart.org/2007/bridges2007-277.html} }