Material shrinkage — tolerances
Nominal size → expected size after cooling and how to scale the model
Input
Expected size
Model scale: 100,81%
99,2 мм
- Shrinkage
- −0,8 мм
- Model scale
- 100,81%
Cooling shrinkage: PLA ~0.3%, ABS ~0.8%, PA up to 1.5%. For snug fits add 0.15–0.3 mm clearance or scale the model. Calibrate with a 20 mm test cube.