I think there's an script for max that may help you, it "unsubdivides" meshes preserving the curvature of the subdivided model. here is: http://www.mariussilaghi.com/products/subdivision-reversion
Are there any tools, 3rd party apps, scripts or tricks that can optimize meshes not on triangles but on quads? The ProOptimize modifier in max (formerly PolyCruncher from MooTools) is amazingly helpful and I would really like for it to respect quads but it doesn't. Does anyone know if there is anything out there that…