~Press the up arrow to draw the coordinates once you are FINISHED typing ALL your coordinates ~Press the down arrow to delete the last coordinate ~Type "stop" to stop your current line and start a new line ~Enjoy! IMPORTANT NOTICE: You must put a space after the comma, or else it won't work.
Thanks to @vacuumfan7072 for the idea of using the ask command, and thanks to @c00lcurt for most of the drawer script.