Ink and pencil

Alex Kaiser (kishlahar)

Designed by Alex Kaiser, the Ex Libris of Kaiser family is based on impossible figure from artwork with impossible wheels (see at the bottom) by Sandro del Prete.

Artist's site http://www.alextheartist.com

Artist's deviantART profile http://kishlahar.deviantart.com

Ex Libris of Kaiser family

The image was found at http://kishlahar.deviantart.com/art/Ex-Libris-Impossible-4376303