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Fix brim of wipetower (same with 2.2.3)

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xiaoyeliu
2026-03-23 21:51:16 +08:00
parent b85fbda517
commit fd8a9d0a63
1 changed files with 15 additions and 3 deletions
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18
src/libslic3r/GCode/WipeTower2.cpp
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@@ -2081,13 +2081,21 @@ WipeTower::ToolChangeResult WipeTower2::finish_layer()
// brim with chamfer (gradual layer-by-layer reduction) // brim with chamfer (gradual layer-by-layer reduction)
int loops_num = (m_wipe_tower_brim_width + spacing / 2.f) / spacing; int loops_num = (m_wipe_tower_brim_width + spacing / 2.f) / spacing;
// Apply chamfer reduction if feature is enabled and brim width is configured // Apply brim logic based on chamfer setting
if (m_wipe_tower_brim_width > 0 && m_prime_tower_brim_chamfer) { if (m_wipe_tower_brim_width > 0) {
if (!first_layer) { if (first_layer) {
// First layer: always print full brim (loops_num unchanged)
} else if (m_prime_tower_brim_chamfer) {
// Non-first layer + chamfer enabled: apply gradual reduction
// Calculate distance from first layer with tool changes // Calculate distance from first layer with tool changes
size_t current_idx = m_layer_info - m_plan.begin(); size_t current_idx = m_layer_info - m_plan.begin();
int dist_to_1st = (int) current_idx - (int) m_first_layer_idx; int dist_to_1st = (int) current_idx - (int) m_first_layer_idx;
// Validate m_first_layer_idx to prevent invalid index access
if (m_first_layer_idx == size_t(-1) || m_first_layer_idx >= m_plan.size()) {
// Invalid first layer index, don't print brim
loops_num = 0;
} else {
// Stop print chamfer if depth changes // Stop print chamfer if depth changes
bool depth_changed = (m_layer_info->depth != m_plan[m_first_layer_idx].depth); bool depth_changed = (m_layer_info->depth != m_plan[m_first_layer_idx].depth);
if (depth_changed) { if (depth_changed) {
@@ -2101,6 +2109,10 @@ WipeTower::ToolChangeResult WipeTower2::finish_layer()
loops_num = 0; loops_num = 0;
} }
} }
} else {
// Non-first layer + chamfer disabled: don't print brim (revert to original behavior)
loops_num = 0;
}
} }
if (loops_num > 0) { if (loops_num > 0) {