small scale and prototype preparation
| Process | Startup Cost | Unit Cost | Appearance | Strength | Recommendation |
|---|---|---|---|---|---|
| FDM Printing | ⭐ | ⭐⭐ | ⭐⭐ | ⭐⭐ | ⭐⭐⭐ |
| SLA Printing | ⭐ | ⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐ | ⭐⭐⭐ |
| CNC | ⭐⭐ | ⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐⭐ |
| Silicone Molding | ⭐⭐ | ⭐ | ⭐⭐⭐⭐ | ⭐⭐ | ⭐⭐⭐⭐ |
| Sheet Metal | ⭐ | ⭐ | ⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐⭐ |
五、一个非常实用的组合方案（工厂常用）
结构件 CNC / 钣金 + 外壳硅胶复模 + 复杂件 3D 打印
这样：成本最低 / 风险最低 / 最接近量产
fab mech compare
CNC Aluminium (per piece pricing)
| QTY | unit price (¥) | total (¥) |
|---|---|---|
| 1 | 54.86 | 54.86 |
| 2 | 47.32 | 94.64 |
| 5 | 41.40 | 207.00 |
| 10 | 35.84 | 358.40 |
| 20 | 32.05 | 641.00 |
CNC ABS (per piece pricing)
| QTY | unit price (¥) | total (¥) |
|---|---|---|
| 1 | 41.75 | 41.75 |
| 2 | 34.43 | 68.86 |
| 5 | 29.73 | 148.65 |
| 10 | 24.33 | 243.30 |
| 20 | 19.72 | 394.40 |
3D Printing
- Typical price: ¥14.84 per part (example figure)