OptiFine on Twitter: "Website is back up, and broken capes should be fixed. There is also a new "Banners" tab where you can view the most popular OptiFine banner cape designs currently.
Banner Capes - Mods - Minecraft - CurseForge
Worn Banners -> Capes Minecraft Texture Pack
How to make a replica migrator cape banner (might not work) : r/Minecraft
How to Get a Cape in Minecraft
Cool Optifine Cape Designs | CubeCraft Games
Wearable Cape Banners Addon | Minecraft PE Mods & Addons
can anyone recreate this cape banner for me | Hypixel - Minecraft Server and Maps