I posted this a while back. The official one from TE is absolute shit. It IS way too snug and I sent it back. This one is waaaay better. Ample amounts of storage on top too for cables or a PO

https://www.amazon.com/Soft-Carrying-Teenage-Engineering-Black/dp/B078429PN8/ref=sr_1_1?ie=UTF8&qid=1533238228&sr=8-1&keywords=op-1+case

I actually got this case, that was recommended on this subreddit. Great protection and room for cables: Soft Carrying Case for Teenage... https://www.amazon.com/dp/B078429PN8?ref=ppx_pop_mob_ap_share

I own the deck saver as well. I use it when it’s on my desk at all times.