The items introduced in 7.3 added alot of options concerning decor and building for adventure maps and for server spawns as well.
In continuation of the theme, I wanted to promote the addition of modern doors into the Pixelmon world.
- Sliding Glass Door
If you wanna get crazy, it could be dye-able, otherwise clear could be simplest.
- Simple Glass Door.
Similar style but operates like a standard wood door in minecraft