All you need is a Full Access LCPL card in good standing and an .stl, .obj, or .thing file (or a link to the item on Thingiverse.com)
There are a lot of other details which you can find in our in-depth 3D Printing FAQ, but the long and short of it is... you can print a Baby Yoda now.
Have fun!
More information at https://www.lcplin.org/3D-Printing-5183