Vibrant & Efficient Shopify Store for 3D Printing

I need a complete Shopify store for a 3D-printing business. The store should have a creative, colorful and modern tech-focused design and be fully responsive on mobile and desktop.
Requirements: • Custom/premium Shopify theme design
• Approximately 20 ready-made 3D-printed products with variants, specifications and multiple images
• Separate custom 3D-printing service with file upload, material selection, quantity, turnaround time and pricing/quotation workflow
• Stripe and PayPal payment integration and testing
• Shipping integration with real-time rates and label printing
• Inventory management for products and printing materials
• Blog/project showcase
• Basic SEO and Google Analytics 4
• Fast loading and mobile-friendly pages
• Complete testing of physical-product purchases and custom-service orders
• Shopify pre-launch checklist completion
• Admin onboarding guide/video so I can manage products and content myself
• Final delivery of any custom Liquid/CSS/JavaScript code
I want the final website to look polished, professional, energetic and distinctly related to 3D printing, while keeping the backend easy to manage and expand in the future.