above, his newest is a tribute to welders... dig the surround weld!
Above, the MC Escher like piston on the right hand side is one of his first, and what got my attention a couple years ago. Been a fan ever since
https://www.facebook.com/theBOMONSTER?ref=stream&hc_location=stream for all these and many more
but to buy your copy of your favorite, on print, or shirt: http://bomonster.com/store/