"PolyHedronism" is a test of a literate programming tool for Scheme. It draws polyhedra and explains how it does it. The program is called poly3.scm, not because it is the third version of the poly program, but because it is a test case for version 3 of the TeX←Scm program which is descibed on another page on this Web site.
This is the printable output of the two programs working together. poly3-y.pdf (176Kb)
Get the printable file first. You need not print it if you have another way to read it.
This is the editable-runnable source code.
poly3.scm (36 Kbytes)
This much the same as it was years ago when it was first put on this (or a similar) web page, but has been re-processed by TeX←Scm 3 and put here 2025-06-29.