This form sets the parameters for a program which will return a VRML file of a Penrose aperiodic tilings. The variable names are only moderatly descriptive. You have to try it to see the effects.
3 5 7 9 11 13 15 17 19 21
Levels - how spread out the tiling goes
0 1 2 3 4 5
Centrally Symmetric
No Yes
Outline - outlines each rhombus (increases file size dramatically)
Zvalues - flag to set a z position value
Zincrement - controls how spread out in z the rhombus' are placed
0 1 10 20 50 100 1000