All you have to do is place the table in the desired chunk and insert the colored crystal into it. You can set up to 10 tables in the world, and each table will affect a circular area of 4 chunks.

Credits: Red Balloon


All you have to do is place the table in the desired chunk and insert the colored crystal into it. You can set up to 10 tables in the world, and each table will affect a circular area of 4 chunks.
Credits: Red Balloon