bold lines and flowing forms: minimalist doodle poster with vintage vibes

abstract pattern vintage poster design biomorphic forms bold lines shapes orange cyan minimalist illustrator flowing abstracted human figures colorful doodle thick art simple retro style creative artistic vibrant colors modern graphic visual aesthetics layout expression contemporary artwork composition geometric elements simplicity vivid illustrative expressive stylish graphics forms: vibes featuring reminiscent design piece showcases squiggly line combination black hues drawing inspiration mid-century incorporates robotic motifs highlighted light tones generated