How
to drill accurate holes for Reversible-Pins:
Die pins are glued and Reversible-Pins are
inserted; the model is now ready for construction of the base.
This base was constructed using a medium (green) quadrant Open_Base. For more information refer to the Home Page under section entitled "System Parts Overview," and go to Bases "Open." Also, under "Using the System" go to "Pouring Open Bases."