Instant Roof Tutorials
Instant Roof NUI is a SketchUp extension from Vali Architects designed to help you create quick, detailed roofs in SketchUp. It contains options for many different styles, pitches, materials, framing types, and details.
Curviloft for SketchUp Tutorials
Curviloft is a SketchUp extension designed to help you create skins in SketchUp, both by generating surfaces from contours, as well as creating skins over frames. This extension can create both skins, as well as countour lines from the faces that are created. This is one of my favorite organic and skin modeling extensions!
Joint Push Pull for SketchUp Tutorials
Joint Push Pull is an extension from Fredo6 that contains a number of tools to expand the face extrusion functions in SketchUp. Practically, this means that you can now push pull multiple and curved surfaces within SketchUp. In addition, tools like Vector Push Pull allow you to extrude the footprint of a curved surface into a flat shape, and more!
Animator for SketchUp Tutorials
Animator is a free extension from Fredo6 that allows you to create true moving animations in SketchUp.