From a1f45c9a92ebff894cc77fc1ab06e77cfa49679c Mon Sep 17 00:00:00 2001
From: "jiaxi.chen" <jiaxi.chen@bambulab.com>
Date: Wed, 30 Apr 2025 15:25:44 +0800
Subject: [PATCH] FIX: nodes in same pos overlap

jira: STUDIO-11631
Change-Id: I9108b525038ad181c4875a659547b06dd14b240c
---
 src/libslic3r/Support/TreeSupport.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/libslic3r/Support/TreeSupport.cpp b/src/libslic3r/Support/TreeSupport.cpp
index 6ad3aabb8..245705dc0 100644
--- a/src/libslic3r/Support/TreeSupport.cpp
+++ b/src/libslic3r/Support/TreeSupport.cpp
@@ -2854,6 +2854,8 @@ void TreeSupport::drop_nodes()
             }
             if (node.to_buildplate || parts.empty()) //It's outside, so make it go towards the build plate.
             {
+                if (nodes_per_part[0][node.position])
+                    p_node->position += Point(1, 1);
                 nodes_per_part[0][node.position] = p_node;
                 continue;
             }
@@ -2888,6 +2890,8 @@ void TreeSupport::drop_nodes()
                 }
             }
             //Put it in the best one.
+            if (nodes_per_part[closest_part + 1][node.position])
+                p_node->position += Point(1, 1);
             nodes_per_part[closest_part + 1][node.position] = p_node; //Index + 1 because the 0th index is the outside part.
         }