In this video you can se the size of a Robert Beard BW-0 basketwave stamp, if you want something a lil' bit bigger you can choose the X812 or X502-2 from leathercrafttools dot com
here is the video
https://www.youtube.com/watch?v=rPq5yWliapw
http://i62.tinypic.com/igetk5.pngHere are some parts of it I took from a chinese pdf book, it's missing some parts and is this parts that are needed for it,,
Cut a template out of cardboard get a divider and adjust the size you want, trace it around the cardboard template and there you have it, a resized one!