Tick anything you already have, in any order. Quests unlock once this is done.
Loads of libraries have one and charge pennies per gram. Printing two or three things on someone else's machine tells you whether you want your own.
Find a makerspace near you2 things left above. Quests are real things you go and do, so they only make sense once you have what you need.
First one waiting: Assemble your printer and level the bed