Every chessman can be reasonably imaged with Geomag:
In this case, I used a Staunton chess set which I have at home (as it is the design I like most) as the model to determine the approximate relative proportions among the different pieces.
I settled on using three bases: octagons for pawns, decagons for rooks, knights and bishops, and dodecagons for the queen and king. The ratio of the diameters of these regular polygons is about 5 to 6.2 to 7.4, very similar to the bases of the real pieces.
I can't help saying that, although I was pleased with the overall result, I only really like the pawn and knight solutions. The rook is too chubby, the bishop's head is far too large, and the queen and king are somewhat graceless. I couldn't make them better while keeping the right proportions. Individual pictures of each piece, a little bigger, follow:
I didn't have enough silver rods and yellow panels to build a full chess set, just enough for king and queen, one bishop, one knight, one rook, and three pawns. Mixing other rods and panels, the first picture on this page would have looked awful. So, I had to cheat again (see this logo), shoot three partial pictures, and stitch: