Link to > Vectorscript file > Download the Geodesic Tutorial File Decompress >Import>Vectorscript This tutorial has the 31 Great Circle Arcs of the Primary Polyhedra. Manipulate the ObjectClasses to view the various configurations as described in Synergetics Vol.2/1132.01D This should help all those who are interested in Geodesics. Method#1=Tetra rotations method#2=Pentagonal rotations of the LowestCommonDenominator