What is Rapid Prototyping?
Rapid prototyping turns your concept into a physical part quickly, validating design, fit and function before full production. JIANGCHENG offers a one-stop service covering CNC machining, 3D printing, vacuum casting and rapid tooling.
Rapid Prototyping Technologies
| Technology | Best For | Lead Time |
|---|---|---|
| CNC Machining | Functional metal/plastic prototypes | 3–5 days |
| 3D Printing (SLA/SLS) | Form and fit models | 1–3 days |
| Vacuum Casting | Small batches of production-like parts | 5–7 days |
| Rapid Tooling | Short-run injection molds | 1–3 weeks |
Benefits of Rapid Prototyping
- Speed — samples shipped in as fast as 3 days.
- Cost Savings — catch design issues before tooling.
- Design Validation — test fit, form and function early.
- Low-Volume Production — bridge to full production.
Rapid Prototyping vs Production
Prototyping focuses on speed and flexibility using CNC, 3D printing or casting, while production favors dedicated tooling and injection molding for low unit cost at volume. Many projects start with prototypes and scale through low-volume runs to mass production.
Applications
Rapid prototyping serves product development across consumer electronics, automotive, medical devices, robotics and industrial equipment.
How to Choose a Prototyping Supplier
- Confirm the technologies available (CNC, 3D printing, casting).
- Check sample lead time and material options.
- Ask whether they support scaling to production.
Frequently Asked Questions
How fast can I get a prototype?
3D printed models in 1–3 days, CNC prototypes in 3–5 days, depending on complexity.
Which technology should I use?
CNC for functional accuracy, 3D printing for quick form tests, vacuum casting for small production-like batches.
Can you scale from prototype to production?
Yes — we support the full path from prototype through low-volume to mass production.

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