https://dev.visiongraphics.eu/vistype---3d-model-relationship/output-from-3d-model-o/https://dev.visiongraphics.eu/vistype---3d-model-relationship/creation-of-3d-model-c/https://dev.visiongraphics.eu/vistype---3d-model-relationship/enhancement-of-3d-model-e/https://dev.visiongraphics.eu/vistype---3d-model-relationship/no-3d-model-required-n/