Mazda MX-5 Miata NA Eyeball Dash Vent — Ball + Housing STL

OEM-style eyeball dash vent for Mazda MX-5 Miata NA (1990–1997) — originals get brittle and crumble; this is the restoration-correct style, not a cosmetic upgrade. Two files: vent ball (58mm dia, 36mm air bore, 3 embedded vanes) + housing (70.0mm OD press-fit, 29.6mm socket). TEST-FIT BETA: ~70mm class from caliper-measured reference — confirm the housing press-fits your dash opening before printing all four. Print: PETG or ASA (dash heat), 50%+ infill. Never PLA on the dash. Fitment & legal: o…

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