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Belt: do not fail the G-code height check against belt travel

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check_multi_extruder_gcode_valid() compares each object's max Z with
printable_height. On a belt printer machine Z is belt travel (a 3DBenchy
on the BabyBelt Pro runs from Z=197 to Z=309 on a 69 mm printable_height),
so every belt export set the over-height error bit and the CLI refused the
plate with -102 "G-code in unprintable area". The preview already skips its
ToolHeightOutside warning for the same reason; the export check now does
too. The XY printable-area check is unchanged.
This commit is contained in:
harrierpigeon
2026-09-30 17:29:33 -05:00
parent 2c0570c97d
commit 69a08915d1
1 changed files with 6 additions and 2 deletions
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src/libslic3r/GCode/GCodeProcessor.cpp
+6 -2
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@@ -2860,7 +2860,11 @@ bool GCodeProcessor::check_multi_extruder_gcode_valid(const int
valid = false;
}
}
if ( iter->second.max_print_z > plate_printable_height ) { //over height
// Belt printers: machine Z is belt travel, which grows without bound over a
// print, while printable_height is the clearance above the belt; the two are
// not comparable, so the over-height check is skipped, as the preview's
// ToolHeightOutside warning already is.
if ( !machine_frame_active && iter->second.max_print_z > plate_printable_height ) { //over height
m_result.gcode_check_result.error_code |= (1 << 3);
std::pair<int, int> filament_to_object_id;
filament_to_object_id.first = iter->first;
@@ -2901,7 +2905,7 @@ bool GCodeProcessor::check_multi_extruder_gcode_valid(const int
}
// check printable height
if ((extruder_id < printable_heights.size()) && (iter->second.max_print_z > printable_heights[extruder_id])) {
if (!machine_frame_active && (extruder_id < printable_heights.size()) && (iter->second.max_print_z > printable_heights[extruder_id])) {
m_result.gcode_check_result.error_code |= (1 << 1);
std::pair<int, int> filament_to_object_id;
filament_to_object_id.first = iter->first;