Step by step: Cheap & easy sabot bases

As I had a very enjoyable game of Dux Britanniarum (AAR to follow) on saturday at Axebreakers mansion I asserted the urgent need for sabot bases. Therefore I had a look at the different manufacturers of lasercut mdf bases. Some do quite usefull stuff but none really had exactly what I wanted. I need bases for 6 square and at least one round base as my Warlord and the Nobles are based on  25mm