succulent seamless pattern, hand drawn . outline sketch chalk style

agave aloe art background cacti carnegiea cartoon cereus chalk collection decorative drawing drawn echeveria echinopsis engrave etching exotic garden gastraea graphic hand haworthia icon illustration isolated line monochrome nature outline pachyphytum painting pattern pear pedro pencil plant prickly saguaro san seamless set shape silhouette sketch style succulent symbol thorns tropical vector west white