Some prints don't care about the shade, and some change with the order. Each
slot in the editor now has an "any colour" box: ticking it greys out the swatch
and saves the slot without a colour, which the matcher fills from any spool of
that material. A slot added by hand starts this way, since adding one usually
means you care about the material rather than the shade.
An unparseable colour already became "any colour" rather than being refused;
that stays, and is now covered by tests along with the shapes the checkbox
actually sends — null, empty string, and no colour key at all.
Worth knowing when reading the printable count: ticking "any colour" makes a
model easier to satisfy, so the count now partly reflects your decisions rather
than only what the project files ask for.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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