Here is a Dried Kelp Block From Minecraft's new snapshot 18w07a!
https://minecraft.gamepedia.com/Dried_Kelp_Block
Credit for lostminer's templete! :)
How to Print?
1.Click on the papercraft design image.
2.Make sure it has not been resized by your browser (you might need to click the image again).
3.Print using your browser's Print function.