Our 3D CAD supplier models have been moved to 3Dfindit.com, the new visual search engine for 3D CAD, CAE & BIM models.
You can log in there with your existing account of this site.
The content remains free of charge.
In addition to the known LOD levels high, medium and low used in Mechanical catalogs, there is another schema with the values 100 / 200 / 300 / 350 / 400 / 500 used in Architecture / BIM catalogs.
The following table shows the relation between both models: