Blog · Tag

dimensional accuracy

Latest article in this topic

  • shrinkage
  • dimensional accuracy

How much does ABS shrink? XY, Z and the compensation value

ABS shrinks about 0.4 to 0.8% in X and Y as it cools, but one printed-part study saw it grow 0.92% in Z. Figures by source, plus the OrcaSlicer values.

  • shrinkage
  • dimensional accuracy

ABS vs ASA shrinkage: which one shrinks more

ABS vs ASA shrinkage: about the same. Resin and filament data sheets put both at roughly 0.4 to 0.7%, so start ASA with ABS compensation and measure.

  • shrinkage
  • dimensional accuracy

Shrinkage compensation in Bambu Studio for ABS, PETG and PLA

Bambu Lab publishes no ABS shrinkage value. Start at 99.36% in Bambu Studio's Shrinkage field, then print a test cube and correct. PLA and PETG values too.

  • shrinkage
  • dimensional accuracy

Carbon and glass fiber filament shrinkage: PETG-CF, PLA-CF, ABS-GF

PETG-CF shrinks about 0.3 to 0.6%, against 0.54 to 0.76% for printed plain PETG. The published PLA-CF and ABS-GF figures, and why X and Y can differ.

  • shrinkage
  • dimensional accuracy

Do 3D printed parts shrink? While cooling, and over time

Yes. 3D printed parts shrink as they cool, under 1% in X and Y for PLA, PETG and ABS. After that, only heat, moisture or a constant load changes their size.

  • shrinkage
  • dimensional accuracy

Does PLA shrink in heat? The temperature where parts start to move

Yes. Printed PLA shrinks along its print lines and grows in height once it passes its glass transition, about 55 to 61 °C. Below that it barely moves.

  • shrinkage
  • dimensional accuracy

Does PLA shrink in the cold? Freezer and winter math

Yes, slightly and reversibly: a 100 mm PLA part loses 0.16 to 0.38 mm going from a 20 °C room to a -18 °C freezer. PETG loses about 0.19 mm.

  • shrinkage
  • dimensional accuracy

Does PETG shrink? How much, and compared with PLA

Does PETG shrink? Yes, by under 1%: 0.54 to 0.76% in X and Y and 0.73% in Z in a printed-part study, close to PLA. Plus the value to enter in each slicer.

  • shrinkage
  • dimensional accuracy

How much does PLA shrink? Rate, Z and the value to enter

Printed PLA shrinks about 0.5% in X and Y and 0.8% in Z. The figures by axis, the molded resin value, and what to enter in OrcaSlicer, Bambu Studio and Prusa.

  • shrinkage
  • dimensional accuracy

Does 3D printed resin shrink? How much, and how to compensate

Yes, 3D printed resin shrinks as it cures: 3 to 6% by volume on maker data sheets, and about 0.3 to 0.6% in X and Y on measured printed parts.

  • dimensional accuracy
  • shrinkage
  • flow rate

How to calibrate dimensional accuracy per material

Calibrate dimensional accuracy per material: fix e-steps and flow, print a test part, measure it, and turn the errors into XY, Z and hole compensation values.

  • dimensional accuracy
  • shrinkage
  • moisture

How to print dimensionally accurate nylon parts

Print dimensionally accurate nylon parts: dry the filament, control chamber and cooling, then compensate for print shrinkage and moisture swelling.