From d63fe04dacf25efb286241b203ea936e11852c55 Mon Sep 17 00:00:00 2001
From: Cory Cross <github@corycross.org>
Date: Mon, 3 Nov 2025 19:15:52 -0800
Subject: [PATCH] Make 2 TriangleMesh methods const

Since they can be.
---
 src/libslic3r/TriangleMesh.cpp | 4 ++--
 src/libslic3r/TriangleMesh.hpp | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/libslic3r/TriangleMesh.cpp b/src/libslic3r/TriangleMesh.cpp
index b388d5bd9e..9e08e6f1e0 100644
--- a/src/libslic3r/TriangleMesh.cpp
+++ b/src/libslic3r/TriangleMesh.cpp
@@ -217,12 +217,12 @@ bool TriangleMesh::ReadSTLFile(const char *input_file, bool repair, ImportstlPro
     return from_stl(stl, repair);
 }
 
-bool TriangleMesh::write_ascii(const char* output_file)
+bool TriangleMesh::write_ascii(const char* output_file) const
 {
     return its_write_stl_ascii(output_file, "", this->its);
 }
 
-bool TriangleMesh::write_binary(const char* output_file)
+bool TriangleMesh::write_binary(const char* output_file) const
 {
     return its_write_stl_binary(output_file, "", this->its);
 }
diff --git a/src/libslic3r/TriangleMesh.hpp b/src/libslic3r/TriangleMesh.hpp
index 927dcfebb0..b963671ce9 100644
--- a/src/libslic3r/TriangleMesh.hpp
+++ b/src/libslic3r/TriangleMesh.hpp
@@ -95,8 +95,8 @@ public:
     void clear() { this->its.clear(); this->m_stats.clear(); }
     bool from_stl(stl_file& stl, bool repair = true);
     bool  ReadSTLFile(const char *input_file, bool repair = true, ImportstlProgressFn stlFn = nullptr, int custom_header_length = 80);
-    bool write_ascii(const char* output_file);
-    bool write_binary(const char* output_file);
+    bool write_ascii(const char* output_file) const;
+    bool write_binary(const char* output_file) const;
     float volume();
     void WriteOBJFile(const char* output_file) const;
     void scale(float factor);