Traffic Cone Benchmark V3 — 1/12 Scale Diorama Prop

Traffic cone benchmark v3 for 1/12-scale diorama scenes. New parametric OpenSCAD geometry based on JBC-style 28-inch traffic cone. Reflective band grooves, proper base proportions, hollow construction. You get 1 STL file: - Traffic cone benchmark v3 (29.37 x 29.37 x 59.27 mm, 21,212 triangles) Note: Cone wall ~0.65mm and base ~1.5mm for resin robustness (thicker than strict 1/12 scale). External height and base footprint are true 1/12. Digitally mesh-validated. NOT physically test-printed yet.

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