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Support extruder variants on every printer (#15964)

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# Description

Extruder variants (Standard, High Flow, extra high flow) now work on any
printer. Any vendor profile can declare them, and a multi-variant
filament picks up the right variant on every printer. In the sidebar,
users can switch the printer variant and set the nozzle volume type of
each extruder on multi-extruder printers. This also fixes a later
filament printing at the first filament's temperature on a P1S or X1C
with a High Flow nozzle. The profile checks now reject variant arrays of
the wrong size and outdated variant strings. Every shipped vendor
profile passes them, and the orca-profiles skill documents the rules.

Slicing output changes only where the wrong variant was used before. 
# Screenshots/Recordings/Graphs
<img width="393" height="218" alt="Screenshot 2026-09-28 at 11 28 07 PM"
src="https://github.com/user-attachments/assets/8bee4b0e-c38c-4039-8c11-096ace6fbad0"
/>
<img width="448" height="267" alt="Screenshot 2026-09-28 at 11 28 37 PM"
src="https://github.com/user-attachments/assets/e767cd97-a5d0-4728-b010-c8ea2bc94ca7"
/>
<img width="746" height="603" alt="Screenshot 2026-09-28 at 11 28 54 PM"
src="https://github.com/user-attachments/assets/23c8af3b-c679-46e5-9fd0-2e43df0449b3"
/>




https://github.com/user-attachments/assets/10d75d72-86a3-42e8-8a95-b1627bd58e91



## Tests

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[How to Download Pull Requests Artifacts for
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This commit is contained in:
SoftFever
2026-09-29 01:57:01 +08:00
committed by GitHub
parent 0a55e6ef83 52679ea1bc
commit 9d8257d2eb
2810 changed files with 26677 additions and 12987 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/libslic3r/Print.cpp
+5 -2
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@@ -3938,6 +3938,9 @@ void Print::update_filament_maps_to_config(std::vector<int> f_maps, std::vector<
{
int extruder_count = 1, extruder_volume_type_count = 1;
bool support_multi = m_ori_full_print_config.support_different_extruders(extruder_count);
// Orca: resolve the filament variants wherever Print::apply does, a multi-variant filament
// on a single-variant printer included.
const bool expand_filaments = (extruder_count > 1) || support_multi || m_ori_full_print_config.has_multi_variant_filament();
std::vector<std::vector<NozzleVolumeType>> nozzle_volume_types;
extruder_volume_type_count = m_ori_full_print_config.get_extruder_nozzle_volume_count(extruder_count, nozzle_volume_types);
@@ -3978,7 +3981,7 @@ void Print::update_filament_maps_to_config(std::vector<int> f_maps, std::vector<
m_full_print_config = m_ori_full_print_config;
std::set<std::string> filament_keys = filament_options_with_variant;
filament_keys.insert("filament_self_index");
if ((extruder_count > 1) || support_multi)
if (expand_filaments)
m_full_print_config.update_values_to_printer_extruders_for_multiple_filaments(m_full_print_config, extruder_count, extruder_volume_type_count, filament_keys, "filament_self_index", "filament_extruder_variant");
const std::vector<std::string> &extruder_retract_keys = print_config_def.extruder_retract_keys();
@@ -3995,7 +3998,7 @@ void Print::update_filament_maps_to_config(std::vector<int> f_maps, std::vector<
compute_filament_override_value(opt_key, opt_old_machine, opt_new_machine, opt_new_filament, m_full_print_config, print_diff, filament_overrides, m_config.filament_map_2.values);
}
if ((extruder_count > 1) || support_multi) {
if (expand_filaments) {
t_config_option_keys keys(filament_options_with_variant.begin(), filament_options_with_variant.end());
keys.push_back("filament_self_index");
m_config.apply_only(m_full_print_config, keys, true);