[1] Pannaggi joined the Futurist movement in 1918, but left soon after because of disagreements with Fillippo Marinetti.
"[1][3] The manifesto emphasized the importance of machine aesthetics (arte meccanica), which became one of the dominant strands of Futurism in the 1920s.
[3][4] He and Paladini also staged the Mechanical Futurist Ballet (Ballo meccano futurista) at Anton Giulio Bragaglia's Casa d'Arte.
[5] Around the same time he painted Speeding Train (Treno in corsa), perhaps his most famous work.
[2] He became friends with Kurt Schwitters and Walter Benjamin and published photomontage works in German newspapers.