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Leading-edge brim takes part in the outer-wall-first rule

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The first-layer rule that prints the outer wall first when a brim is
attached to it, and the brim_type change rule that regenerates the
perimeters for it, only knew btOuterOnly.  btLeadingEdgeOnly, the belt
brim at the part's first contact, is an outer brim too.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
harrierpigeon
2026-10-07 19:08:58 -05:00
co-authored by Claude Fable 5.1
parent b2fb552e32
commit 9289fc4dd3
2 changed files with 7 additions and 2 deletions
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src/libslic3r/PrintObject.cpp
+4 -1
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@@ -1373,7 +1373,10 @@ bool PrintObject::invalidate_state_by_config_options(
const auto* new_brim_type = new_config.option<ConfigOptionEnum<BrimType>>(opt_key);
//BBS: When switch to manual brim, the object must have brim, then re-generate perimeter
//to make the wall order of first layer to be outer-first
if (old_brim_type->value == btOuterOnly || new_brim_type->value == btOuterOnly)
// btLeadingEdgeOnly is printed as an outer brim (Brim.cpp, BeltBrim.cpp), so it
// takes part in the same first-layer wall order rule.
if (old_brim_type->value == btOuterOnly || new_brim_type->value == btOuterOnly ||
old_brim_type->value == btLeadingEdgeOnly || new_brim_type->value == btLeadingEdgeOnly)
steps.emplace_back(posPerimeters);
}
} else if (