Here are some sample .wrl files that were output from OrthoPak
Wismath 7 bend algorithm
The graph displayed in the screenshots
Here's another wrl
Here's a big planar graph
Here's another big graph
Wismath 1-2-3 bend algorithms
3-bend graph
3-bend that isn't a complete graph
1-bend graph
1-bend graph, not complete
2-bend graph
2-bend graph, not complete
Big tree algorithm
Tree of height 2
Tree of height 3
Tree of height 4
Tree of height 5