TugBoat
thingiverse
Here's a fun project for remote control enthusiasts - building a basic tug boat. It requires minimal assembly, with just some light gluing or bonding to hold it all together.
Download Model from thingiverse
With this file you will be able to print TugBoat with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on TugBoat.