{ "name": "3D Printing Service", "short_name": "PrintCraft3D", "description": "Upload 3D models, configure materials, and manage professional-grade printing orders.", "start_url": "/", "display": "standalone", "background_color": "#0b1120", "theme_color": "#4f46e5", "orientation": "portrait-primary", "icons": [ { "src": "/icons/icon-192.png", "sizes": "192x192", "type": "image/png" }, { "src": "/icons/icon-512.png", "sizes": "512x512", "type": "image/png" } ] }