I made a data pack that allows you to craft Shulker shells if you don't want to make your world or server too big! (Download in comments) : r/Minecraft
How to Make a Shulker Box in Minecraft (2022) | Beebom
How to make a Shulker Box in Minecraft
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How To Get A SHULKER BOXES In Minecraft - YouTube
Shulker Box | How to craft shulker box in Minecraft | Minecraft Wiki