When it comes to getting the perfect view in SketchUp, it is hard to beat the alignment tools in SketchUp's context menu. For those of you who have not yet used these tools, I present you this week's Skill Builder.
Modeling a Dodecahedron: • SketchUp Skill Builder: Dodecahedron
And for an Icosahedron (which is ACTUALLY what is in this video: • SketchUp Skill Builder: Icosahedron