Ballpoint pen art

artist, choreographer, designer, playwright, stage director (born 1958)

Spirograph is a geometric drawing device that produces mathematical roulette curves of the variety technically known as hypotrochoids and epitrochoids. The well-known toy version was developed by British engineer Denys Fisher and first sold in 1965.

Nigerian visual artist (born 1985)

Italian artist (1940–1994)

Spanish artist

Nigerian ballpoint pen artist

Ghanaian artist

Nigerian artist

Dutch painter (1927–2005)