From e3f5c6fe15f8baf31cbe3c1b93954b1caf371d34 Mon Sep 17 00:00:00 2001
From: "zhou.xu" <zhou.xu@bambulab.com>
Date: Mon, 14 Apr 2025 12:07:59 +0800
Subject: [PATCH] ENH:Modify the accuracy of determining whether the volume is
 above or below the cutting plane

jira: none
Change-Id: I4b4b60f1bf4d26e037e6e084fae569f3fb75be41
---
 src/slic3r/GUI/Gizmos/GLGizmoAdvancedCut.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/slic3r/GUI/Gizmos/GLGizmoAdvancedCut.cpp b/src/slic3r/GUI/Gizmos/GLGizmoAdvancedCut.cpp
index c0f3e0af8..c280e32fc 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoAdvancedCut.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoAdvancedCut.cpp
@@ -2856,7 +2856,7 @@ PartSelection::PartSelection(
 
         for (const Vec3f &v : volume->mesh().its.vertices) {
             double p = (v - pos).dot(norm);
-            if (std::abs(p) > EPSILON) {
+            if (std::abs(p) > 0.01) { // 0.01 mm is enough
                 m_cut_parts[i].is_up_part = p > 0.;
                 break;
             }