How does an ABS grade deliver dimensional stability?
Dimensionally, ABS holds its shape because of its own glass-transition behaviour, not an additive: a consistent 1.75 mm strand printed in a chamber that keeps the part warm enough to cool slowly, with a heated bed holding the first layer flat. Slow, even cooling is what limits the internal stress that makes straight walls bow. This grade is produced for that profile, so parts stay closer to drawing dimensions.
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