SolidWorks users seeking spur gear models can find them on 3D Content Central, which is recommended as the best resource. The site offers configurable gear parts that allow modifications to parameters such as module, diameter, number of teeth, and hub configuration. Users of the SolidWorks student edition may not have access to the toolbox for creating gears, making these external resources essential. Overall, 3D Content Central is a valuable tool for obtaining customizable spur gear models. Accessing this site can significantly enhance design capabilities for SolidWorks users.