M.C.Escher and Photoshop M.C.Escher is, by far, my favorite artist and did his work well before the age of computers. I strongly recommend you look at his art at mcescher.com. Why he was amazing is he would mathematically plan out things like tessellations or distortions to make impossible landscapes. I've seen this type of planning simplified by using a grid but with the lines distorted like a sphere is pushing them out. As an artist I can tell you this sort of thing is extremely difficult to do and make it look natural. The reason I mentioned computers is that programs can easily replicate his methods. I've seen tools that create tessellations and personally use a legal copy of photoshop. Photoshop has filters like "spherize" that automatically produce the distortions the name suggests. It's an amazing program. The issues that arise revolve around artistic integrity. Are you creating art or is the computer doing the work f...