Typical starting clearances (total, hole minus shaft, in mm)
| Fit | FDM | Resin | SLS |
|---|---|---|---|
| Press fit (tight) | 0.00 | 0.00 | 0.00 |
| Snug / locating | 0.15 | 0.10 | 0.15 |
| Sliding | 0.25 | 0.15 | 0.25 |
| Loose | 0.40 | 0.25 | 0.35 |
| Free-spinning | 0.50 | 0.35 | 0.50 |
Typical process limits (rules of thumb, vary by machine)
| Process | Size accuracy | Min wall | Layer height |
|---|---|---|---|
| FDM | ±0.2 mm or ±0.5% | 0.8 mm | 0.1–0.3 mm |
| Resin (SLA / MSLA) | ±0.1 mm or ±0.2% | 0.4 mm | 0.025–0.1 mm |
| SLS nylon | ±0.3 mm or ±0.3% | 0.7 mm | 0.1 mm |