Whale or submarine?

Whale or submarine?

My dad gave me his old geometry kit when I was studying plastic arts in college. It was used a lot during my DCS and I kept it preciously afterwards. I don’t know why, but after all these years, I felt like working with it again. I took it out of the supplies...
Snail

Snail

Pastel on stone Trying to start the week nice and slow, just like my friend here. :-)