Cost benchmark
Prototype cost: CNC, 3D printing and PCB builds
Prototyping is cheap per part and expensive per iteration. The cost driver is almost never the shop rate — it's how many rounds you run before the design settles.
| Line item | Low | Median | High |
|---|---|---|---|
| FDM / SLA printed parts | $50 | $300 | $1,200 |
| SLS / MJF functional parts | $300 | $900 | $3,000 |
| CNC machined prototype | $500 | $2,000 | $8,000 |
| PCB fabrication (small run) | $100 | $600 | $2,500 |
| PCB assembly + components | $400 | $1,800 | $7,000 |
What drives the range
- Number of iteration rounds (budget three to five)
- Tolerances and surface finish requirements
- Domestic quick-turn versus overseas lead times
- Component sourcing and minimum order quantities
Common questions
How much does a working prototype cost?
A functional electromechanical prototype typically costs $5,000 to $25,000 across all iterations. Purely mechanical products often come in under $5,000.
How many prototypes will I need?
Plan for at least three: proof of concept, looks-like/works-like, and production-intent.
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