art drawing abstract copic marker modern geometric s

abstract art background backgrounds circle composition contemporary copic country design drawing foreign geometric glass graffiti iron line marker modern mural painting pattern person shapes skill symmetry window markers sketch stroke colorful pen practice straight curve draw symbol street shape geometry creativity idea perspective visual elements light shadow square triangle expressionism abstraction abstractness cubism famous template postcard impressionist mood hand painted created education studio craftsmanship academy artworks exhibited style brush vibrant colors unique concept realistic studying school gallery