From 913bace1eb13f74eaea100897efeccd30a9253ed Mon Sep 17 00:00:00 2001
From: "lane.wei" <lane.wei@bambulab.com>
Date: Mon, 23 Sep 2024 16:35:31 +0800
Subject: [PATCH] FIX: config: fix the 3mf export invalid issue when using
 single filament

JIRA: no-jira
Change-Id: I1faf1fd7ac2b3dfd99594856e3c84da12d805627
---
 src/libslic3r/PresetBundle.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/libslic3r/PresetBundle.cpp b/src/libslic3r/PresetBundle.cpp
index 76cd9b120..7c0f25f8a 100644
--- a/src/libslic3r/PresetBundle.cpp
+++ b/src/libslic3r/PresetBundle.cpp
@@ -2146,6 +2146,10 @@ DynamicPrintConfig PresetBundle::full_fff_config(bool apply_extruder, std::vecto
         }
 
         different_settings.emplace_back(different_filament_settings);
+
+        std::vector<int>& filament_self_indice = out.option<ConfigOptionInts>("filament_self_index", true)->values;
+        int index_size = out.option<ConfigOptionStrings>("filament_extruder_variant")->size();
+        filament_self_indice.resize(index_size, 1);
     } else {
         // Retrieve filament presets and build a single config object for them.
         // First collect the filament configurations based on the user selection of this->filament_presets.