From f13144d6a9c20cfbad11c6907c30b10447d8f8a3 Mon Sep 17 00:00:00 2001
From: Arthur <arthur.tang@bambulab.com>
Date: Tue, 28 May 2024 18:07:44 +0800
Subject: [PATCH] FIX: empty first layer of tree support

The raft gap layer should only exist if there are raft layers.

jira: STUDIO-7184

Change-Id: Ia4d2a5b7ddf873fb4ef16c7087648214e6bde806
---
 src/libslic3r/Support/TreeSupport.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libslic3r/Support/TreeSupport.cpp b/src/libslic3r/Support/TreeSupport.cpp
index 779c289de..0b392b25e 100644
--- a/src/libslic3r/Support/TreeSupport.cpp
+++ b/src/libslic3r/Support/TreeSupport.cpp
@@ -1152,7 +1152,7 @@ void TreeSupport::detect_overhangs(bool check_support_necessity/* = false*/)
 void TreeSupport::create_tree_support_layers()
 {
     int layer_id = 0;
-    { //create raft layers
+    if (m_raft_layers > 0) { //create raft layers
         coordf_t raft_print_z = 0.f;
         coordf_t raft_slice_z = 0.f;
         {