Gustave Dore was an engraver, illustrator, artist and sculptor.
He used a lot of geometrical concepts and figures in his work.
He had a very vivid imagination, as can be seen from this illustration from Dante's Inferno:
Some sites with his works are:
My favourite amongst his works are the illustrations done for The Bible. Sharing some of them here:
David and Goliath
"The brazen serpent"
The last supper
You will find many more gems at: