Hmmm... here are a few more? Literally 30 seconds of googling.
https://www.aliexpress.com/item/33005189239.html?spm=2114.search0302.3.104.64b273c5KhJLwv&ws_ab_test=searchweb0_0,searchweb201602_0,searchweb201603_0,ppcSwitch_0&algo_pvid=7e12f9c1-799e-4fb1-926e-577b9055f5bd&algo_expid=7e12f9c1-799e-4fb1-926e-577b9055f5bd-15
https://www.startech.com/support/GCDPMFRA
https://www.amazon.com/Degree-Angled-DisplayPort-Extension-Adapter/dp/B07C5PW4DH?th=1
https://www.microcenter.com/product/610560/qvs-right-angle-displayport-male-to-displayport-female-ultra-hd-4k-adapter-6-in---black