Customizable Action Figure Display Base

I have a number of Toy Biz Lord of the Rings action figures from 2005/2006 for which I found it difficult to find display bases that fit. So I decided to make my own and make it customizable.

The default base is designed for a 2" diameter, 2mm height with a 3 mm peg at 4mm high. This peg would be too large for most smaller 6" action figures. You would need to measure the hole in the figure's foot to customize properly. A 2mm diameter peg at 2mm height may be a good starting point for smal