I love knitting these. The principle is similar to my EZ socks:

dec from shoulder to armpit for half the front,

inc for half the back,

bo while attaching the sleeve (leave room for the neck),

co to make it a full L again, and repeat the above for the other side.

It may sound complicated, but it’s just fun. It’s like 4 L pieces attached together to make the sweater.

A variation with short rows for shaping the sleeves:

I love how they fit:

* Apologies for any hideous advertisement that may be added below – I’m really sorry!