Post your project. Let providers compete to build it.
Innovators create requests for prototypes, manufacturing, and services. Service providers submit competing quotations. Compare, choose, and track your project — all in one platform.
Every category, one platform
From 3D printing to circuit design — find suppliers for anything.
From request to delivery in four steps
A streamlined procurement process that saves you time and money.
Post your request
Describe your project — prototypes, manufacturing, or any service. Set budget, deadline, and technical specs.
Receive quotations
Service providers compete by submitting detailed proposals with pricing, delivery time, and terms.
Compare & choose
Review all offers side-by-side. Compare price, delivery, and warranty, then accept the best proposal.
Track your project
A dedicated project workspace is created with milestones, file sharing, and built-in chat.
Everything you need to procure smarter
Enterprise-grade tools built for businesses of every size.
Smart Comparison Engine
Compare quotations side-by-side: price, delivery time, warranty, and provider ratings.
Project Chat
Built-in real-time messaging with file sharing. Keep all project communication in one place.
Project Tracking
Milestones, status updates, shared files, and activity history — a full workspace after acceptance.
Verified Providers
Service providers with completed projects, ratings, and reviews from real innovators.
AI Assistance
Improve request descriptions, estimate budgets, and get matched with the right providers.
Global Marketplace
Reach manufacturers, fabricators, and service providers worldwide across every category.
Turn Your Idea into Reality
Whether you're building your first prototype or preparing your product for manufacturing, The 4th Lab connects innovators with trusted engineering, design, and manufacturing experts to bring ideas to life.