Top-down architectural blueprint of a DIY vocal booth, internal size 1.5m x 1.5m, highly accurate technical drawing. Show layered wall construction clearly labeled in Italian: - external insulated sandwich panel with metal cladding (lamiera esterna e interna) - 5 cm air gap (camera d’aria) - 5 cm metal drywall stud frame (profili da cartongesso) - inside frame filled with 5 cm rock wool (lana di roccia) - inner double plasterboard layer (doppia lastra cartongesso 12.5mm + 12.5mm) Include: - door on one side with same layered structure - internal usable space clearly marked 150 cm x 150 cm - singer silhouette slightly off-center - microphone position in front of singer - optional ventilation ducts shown as simple technical paths Style: clean engineering blueprint, CAD architectural drawing, white background, soft blue technical lines, high precision, scale accurate, minimal but very readable labels, professional acoustic engineering plan Mehr sehen