diff --git a/src/slic3r/GUI/GLGizmo.cpp b/src/slic3r/GUI/GLGizmo.cpp index 144301d2d..32594779f 100644 --- a/src/slic3r/GUI/GLGizmo.cpp +++ b/src/slic3r/GUI/GLGizmo.cpp @@ -1769,9 +1769,9 @@ Vec3d GLGizmoFlatten::get_flattening_rotation() const // calculates the rotations in model space, taking in account the scaling factors Eigen::Matrix<double, 3, 3, Eigen::DontAlign> m = m_model_object->instances.front()->world_matrix(true, true).matrix().block(0, 0, 3, 3).inverse().transpose(); Eigen::Quaterniond q; - Vec3d angles = q.setFromTwoVectors(m * m_normal, -Vec3d::UnitZ()).toRotationMatrix().eulerAngles(2, 1, 0); + Vec3d angles = Geometry::extract_euler_angles(q.setFromTwoVectors(m * m_normal, -Vec3d::UnitZ()).toRotationMatrix()); m_normal = Vec3d::Zero(); - return Vec3d(angles(2), angles(1), angles(0)); + return angles; } } // namespace GUI