Orientation to Cube
braille picture ¼ size
The Braille text says:
"Introduction to the cube.
"Plane ABCD is the base, ABFE is in front, etc.
"Broken lines are at the figure's back, not visible from the front ... "
Copyright © 1989-2002 Marco Schuffelen
Last modified: Sat Dec 29 13:40:44 PST 2001