Sketchucation - Sketchucation is a 3D SketchUp Community for students, professionals, designers, and hobbyists.

CGTips - CGTips is a 3D Architectural Visualization learning platform for Architects or interior designers to build their skills in an interactive way.

3dxo.com - 3dxo.com is a great place for both professionals and hobbyists to find some really cool, free 3D models.

3Dmdb - 3Dmdb is a search engine-based hub of multiple three-dimensional colorful objects which can be downloaded, purchased, and rendered from shops or marketplaces.

Arroway-textures.ch - Arroway-textures.ch is an online repository of high-quality digital textures and 3D assets that helps you add them to your own 3D-content libraries and projects.

LugherTexture - LugherTexture is an online resource for stunning, high-resolution textures and graphics.