The Mine-imator community is massive. Websites like have thousands of free "rigs" (pre-animated items like cars, wings, or guns). Download these .mimodel files and drag them into your project.
The software is free to use as a "Trial," but you can remove the watermark by upgrading to the "Full" version at no cost. download mine imator
Utilize Modelbench for advanced 3D modeling and import custom rigs into Mine-imator. The Mine-imator community is massive
: Visit the Mine-imator Download Page to get the latest version (currently 2.0.2). download mine imator