From f9532b39e8606d3f635d9b141ce403c54130ad3f Mon Sep 17 00:00:00 2001
From: SoftFever <softfeverever@gmail.com>
Date: Sun, 2 Apr 2023 22:23:23 +0800
Subject: [PATCH] fix instance id

---
 src/libslic3r/GCode.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index 7280ea44810..d228fc751d2 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -4631,7 +4631,7 @@ std::string GCode::set_object_info(Print* print) {
         object->set_id(object_id++);
         size_t inst_id = 0;
         for (PrintInstance &inst : object->instances()) {
-            inst.id = inst_id;
+            inst.id = inst_id++;
             if (this->config().exclude_object && print->config().gcode_flavor.value == gcfKlipper) {
                 auto bbox = inst.get_bounding_box();
                 gcode << "EXCLUDE_OBJECT_DEFINE NAME=" << get_instance_name(object, inst)