http://x3dgraphics.com/examples/X3dForAdvancedModeling/TextureMapping/
http://web3d.org/pipermail/x3d-public_web3d.org/2017-December/008034.html
from Dec 24, 2017

Analysis for freewrl
- our TEXT is bigger by 1/3 vs xj3d, and higher by half-char height than xj3d 

Cylinder
- Cylinder - good
- IndexedFaceSet (IFS) Cylinder - good 
- IndexedTriangleStripSet (ITSS) Cylinder - fail
- Extrusion - DEBATE - wrong vs Xj3D, same as X_ITE

Rectangle
- IndexedFaceSet (IFS) - good
- IndexedTriangleSet (ITS) - fail
- TriangleSet (TS) - fail
- IndexedTriangleStripSet (ITSS) - fail
- TriangleStripSet (TSS) - fail
- IndexedTriangleFanSet (ITFS) - fail
- TriangleFanSet (TFS) - fail
- Box - good
- IndexedQuadSet (ITS) - fail
- QuadSet (TS) - fail
- Rectangle2D (R2D) - good
- TriangleSet2D (TS2D) - good
- ElevationGrid (EG) - good