This is a paper cut pattern. You get this t-shirt sent to your home as a printed pattern. You will also receive the e-book if you want to sew the pattern again in a different size. So you can then cut up the paper pattern without a guilty conscience and don't have to trace the cut.
Paper pattern as multi-size pattern in DIN A0 in sizes XS - XL (seam allowances included)
e-book as a multi-size pattern in DINA0 and DINA4 in sizes XS - XL (seam allowances included)