Hello! I'm Unknwn!
These are three tree designs that I love to make. Each colored specifically.
These can be used to make fantasy worlds.

The Orange and Blue trees both have lights in them.
Orange has glowstone around it and Blue has sea lanterns.

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File:
The file includes the world download if that interests you.
It also includes the schematic files from world edit.
Each schematic is named for the color.

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I hope these can be used for some interesting builds!
Enjoy!