Ravelry: Pixelated Pullover pattern by Jennifer Beaumont (Top Round Pullover Sweaters)
You can find more titbirds in this bundle.
Ravelry: eudidy's Starry Night over the City
This sweater is knitted bottom up, everything is knitted in the round. There are just two tiny underarm seams that need to be sewn; other than that the sweater is seamless.