Ghostly rider forms from exhaust smoke on a damp dawn road

2x2 grid, do this for 4 iconic strange motorcycles, 16:9 class vintage_motorcycle_dna: def __init__(self): self.subject = "[classic café racer motorcycle]" self.parents = { "composition_parent": "motorcycle profile with transparent engine and frame, wheels ghost‑spun", "material_parent": "brushed alloy tank, distressed leather seat, spoked wheel detail, oil‑stained engine cases", "graphic_parent": "vintage race programme typography and checkered flag motif", "atmosphere_parent": "dawn light on a damp b‑road, low mist, headlamp glow" } self.mutations = { "semantic_mutation": "the exhaust smoke forms a ghostly rider leaning into a corner; the petrol tank contains a tiny refinery landscape.", "information_mutation": "power band chart, weight distribution diagram, fork rake and trail callout, cylinder compression graph", "medium_mutation": "screen‑printed garage poster texture with halftone dots", "scale_mutation": "piston ring‑cylinder wall oil film seen as a microscopic golden sea" } self. style_mix = [0.40, 0.30, 0.15, 0.10, 0.05] def generate_subject(self): subject = """ [classic café racer motorcycle] rendered in a still yet dynamic side view, its mechanical heart exposed, every fin, bolt, and cable labelled as if in a workshop manual from heaven. """ return render(subject, format="café wall art technical infographic", title="[bike name] · [year]", subtitle="[builder / marque] · [engine cc]", constraints="gritty, nostalgic, mechanical beauty, golden ratio")