* extra credit *
Sand the blue tape with 100 grit sandpaper to help prevent warping
We're not trying to write the book on 3d printing. A great first step down the rabbit hole can be found here.
All together, the violin will take ~500 grams of plastic to print. Assuming there aren't too many failed prints, you should be able to make the entire hovalin with a single 1kg roll of plastic.