Solenoid
thingiverse
Building a simple solenoid craft engine from scratch can be a challenging yet rewarding experience, as long as you're aware that no glue is required but assembly might prove tricky. Use and build at your own risk. This custom-made solenoid fits snugly onto a specific bolt size, which I'll post soon, allowing for significant time savings in setting up a robust solenoid.
Download Model from thingiverse
With this file you will be able to print Solenoid 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 Solenoid.