Martin Hohenberg 51a7791461 Scale material factor by model size (smaller=denser, larger=fluffier) ...

Walls are fixed thickness regardless of model size, so small models are
wall-dominated (high material factor) while large models are infill-dominated.

_effective_factor() uses log-linear interpolation:
  factor = MATERIAL_FACTOR - log10(volume / 25 cm³) × 0.15

Example curve:
    0.5 cm³ → 0.76    1 cm³ → 0.71   10 cm³ → 0.56
     26 cm³ → 0.50   100 cm³ → 0.41  500 cm³ → 0.31

MATERIAL_FACTOR env var is now the anchor at 25 cm³ (validated reference).
The card header shows the effective (size-adjusted) factor for the specific job.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-06-18 22:50:32 +02:00

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