Initially influenced by Toulouse-Lautrec , Gauguin and other late 19th century innovators Pablo Picasso made his first cubist paintings based on Cézanne 's idea that all depiction of nature can be reduced to three solids : cube , sphere and cone .
Pablo Picasso made his first cubist paintings based on Cézanne 's idea that all depiction of nature can be reduced to three solids : cube , sphere and cone .