Command Usgae:
Use any wooden axe as the selection wand.
/gpfill <block>
Fills a selected area.
/gpsave <optional name>
Saves a selected area as a book schematic.
/gpschem
Loads a book schematic into the world.
/gpsphere <block>
Makes a sphere. Position 1 is the center, position 2 is the radius.
/gpcircle <block>
Makes a circle. Position 1 is the center, position 2 is the radius.