From 542cd18d19887d23bbf454de363ca7cf807f70b3 Mon Sep 17 00:00:00 2001
From: jimmy-brightz <jimmypettit@brightz.com>
Date: Mon, 17 Aug 2026 02:34:41 -0400
Subject: [PATCH] Fix prime tower rotation angle setting not working (#15227)

---
 src/libslic3r/PresetBundle.cpp | 1 -
 src/slic3r/GUI/GLCanvas3D.cpp  | 2 +-
 src/slic3r/GUI/Plater.cpp      | 4 ++--
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/libslic3r/PresetBundle.cpp b/src/libslic3r/PresetBundle.cpp
index 5557d36891..e66ae064f0 100644
--- a/src/libslic3r/PresetBundle.cpp
+++ b/src/libslic3r/PresetBundle.cpp
@@ -49,7 +49,6 @@ static std::vector<std::string> s_project_options {
     "filament_multi_colour",
     "wipe_tower_x",
     "wipe_tower_y",
-    "wipe_tower_rotation_angle",
     "curr_bed_type",
     "flush_multiplier",
     // Fast-purge mode: project-level purge control, inert at Default.
diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index a51a10296c..f6ffb75405 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -2887,7 +2887,7 @@ void GLCanvas3D::reload_scene(bool refresh_immediately, bool force_full_scene_re
                 float x = dynamic_cast<const ConfigOptionFloats*>(proj_cfg.option("wipe_tower_x"))->get_at(plate_id);
                 float y = dynamic_cast<const ConfigOptionFloats*>(proj_cfg.option("wipe_tower_y"))->get_at(plate_id);
                 float w = dynamic_cast<const ConfigOptionFloat*>(m_config->option("prime_tower_width"))->value;
-                float a = dynamic_cast<const ConfigOptionFloat*>(proj_cfg.option("wipe_tower_rotation_angle"))->value;
+                float a = dynamic_cast<const ConfigOptionFloat*>(m_config->option("wipe_tower_rotation_angle"))->value;
                 // BBS
                 float v = dynamic_cast<const ConfigOptionFloat*>(m_config->option("prime_volume"))->value;
                 Vec3d plate_origin = ppl.get_plate(plate_id)->get_origin();
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 5b06db9d3e..2225812ff6 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -12674,7 +12674,7 @@ void Plater::priv::take_snapshot(const std::string& snapshot_name, const UndoRed
             ModelWipeTower& tower = model.wipe_tower;
 
             tower.positions[plate_idx] = Vec2d(tower_x_opt->get_at(plate_idx), tower_y_opt->get_at(plate_idx));
-            tower.rotation = proj_cfg.opt_float("wipe_tower_rotation_angle");
+            tower.rotation = config.opt_float("wipe_tower_rotation_angle");
         }
     }
     const GLGizmosManager& gizmos = get_current_canvas3D()->get_canvas_type() == GLCanvas3D::CanvasAssembleView ? assemble_view->get_canvas3d()->get_gizmos_manager() : view3D->get_canvas3d()->get_gizmos_manager();
@@ -12784,7 +12784,7 @@ void Plater::priv::undo_redo_to(std::vector<UndoRedo::Snapshot>::const_iterator
             ModelWipeTower& tower = model.wipe_tower;
 
             tower.positions[plate_idx] = Vec2d(tower_x_opt->get_at(plate_idx), tower_y_opt->get_at(plate_idx));
-            tower.rotation = proj_cfg.opt_float("wipe_tower_rotation_angle");
+            tower.rotation = config.opt_float("wipe_tower_rotation_angle");
         }
     }
     const int layer_range_idx = it_snapshot->snapshot_data.layer_range_idx;