SketchUp is a great way to get started learning about 3D design. Follow the tutorial below to learn the basics of SketchUp while creating a customized keychain you can print! The video below was created using the FREE version called SketchUp Make 2017 (https://help.sketchup.com/en/downloading-older-versions) You can now also use the free web based SketchUp at https://app.sketchup.com/.
3D printing is available for FREE in the Center for Educational Technology on Level 1 of the library. Stop by M-F 9-5 and the Student Technology Assistants can help you out.