It takes blocks from your inventory when you use worldedit.
• //pos1 -
Set your feet as position 1.
• //pos2 -
Set your feet as the position 2.
• Use wooden axe (Left Click for select position 1, Right Click for select position 2)
• //set - Set all blocks in the selection
• //undo -
Undoes the last action (from history)
• //replace - Replace all blocks in the selection with another
• //replacenear - Replace all blocks in the selection with another
• //cyl - Generates a cylinder.
• //hcyl - Generates a hollow cylinder.
• //rotate -
Rotate the copied blocks
• /unstuck - Escape from being stuck inside a block