diff --git a/src/slic3r/GUI/3DScene.cpp b/src/slic3r/GUI/3DScene.cpp
index 68d4dac67e..92e9039115 100644
--- a/src/slic3r/GUI/3DScene.cpp
+++ b/src/slic3r/GUI/3DScene.cpp
@@ -572,7 +572,7 @@ void GLVolume::render_VBOs(int color_id, int detection_id, int worldmatrix_id) c
             ::glUniform4fv(color_id, 1, (const GLfloat*)color);
         }
         else
-            ::glColor4f(render_color[0], render_color[1], render_color[2], render_color[3]);
+            ::glColor4fv(render_color);
 
         if (detection_id != -1)
             ::glUniform1i(detection_id, shader_outside_printer_detection_enabled ? 1 : 0);
@@ -591,7 +591,7 @@ void GLVolume::render_VBOs(int color_id, int detection_id, int worldmatrix_id) c
     if (color_id >= 0)
         ::glUniform4fv(color_id, 1, (const GLfloat*)render_color);
     else
-        ::glColor4f(render_color[0], render_color[1], render_color[2], render_color[3]);
+        ::glColor4fv(render_color);
 
     if (detection_id != -1)
         ::glUniform1i(detection_id, shader_outside_printer_detection_enabled ? 1 : 0);
@@ -640,7 +640,7 @@ void GLVolume::render_legacy() const
         ::glDisableClientState(GL_VERTEX_ARRAY);
         ::glDisableClientState(GL_NORMAL_ARRAY);
 
-        ::glColor4f(render_color[0], render_color[1], render_color[2], render_color[3]);
+        ::glColor4fv(render_color);
         render();
 
         ::glEnableClientState(GL_VERTEX_ARRAY);
@@ -649,7 +649,7 @@ void GLVolume::render_legacy() const
         return;
     }
 
-    ::glColor4f(render_color[0], render_color[1], render_color[2], render_color[3]);
+    ::glColor4fv(render_color);
     ::glVertexPointer(3, GL_FLOAT, 6 * sizeof(float), indexed_vertex_array.vertices_and_normals_interleaved.data() + 3);
     ::glNormalPointer(GL_FLOAT, 6 * sizeof(float), indexed_vertex_array.vertices_and_normals_interleaved.data());
 
diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index f3fb9b0be4..50b5c8d4c8 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -600,7 +600,8 @@ bool GLCanvas3D::Bed::_are_equal(const Pointfs& bed_1, const Pointfs& bed_2)
 }
 
 GLCanvas3D::Axes::Axes()
-    : origin(0, 0, 0), length(0.0f)
+    : origin(Vec3d::Zero())
+    , length(0.0f)
 {
 }
 
@@ -615,11 +616,11 @@ void GLCanvas3D::Axes::render(bool depth_test) const
     ::glBegin(GL_LINES);
     // draw line for x axis
     ::glColor3f(1.0f, 0.0f, 0.0f);
-    ::glVertex3f((GLfloat)origin(0), (GLfloat)origin(1), (GLfloat)origin(2));
+    ::glVertex3dv(origin.data());
     ::glVertex3f((GLfloat)origin(0) + length, (GLfloat)origin(1), (GLfloat)origin(2));
     // draw line for y axis
     ::glColor3f(0.0f, 1.0f, 0.0f);
-    ::glVertex3f((GLfloat)origin(0), (GLfloat)origin(1), (GLfloat)origin(2));
+    ::glVertex3dv(origin.data());
     ::glVertex3f((GLfloat)origin(0), (GLfloat)origin(1) + length, (GLfloat)origin(2));
     ::glEnd();
     // draw line for Z axis
@@ -629,7 +630,7 @@ void GLCanvas3D::Axes::render(bool depth_test) const
 
     ::glBegin(GL_LINES);
     ::glColor3f(0.0f, 0.0f, 1.0f);
-    ::glVertex3f((GLfloat)origin(0), (GLfloat)origin(1), (GLfloat)origin(2));
+    ::glVertex3dv(origin.data());
     ::glVertex3f((GLfloat)origin(0), (GLfloat)origin(1), (GLfloat)origin(2) + length);
     ::glEnd();
 }
@@ -4894,7 +4895,7 @@ void GLCanvas3D::_camera_tranform() const
     ::glRotatef(m_camera.phi, 0.0f, 0.0f, 1.0f);          // yaw
 
     Vec3d neg_target = - m_camera.target;
-    ::glTranslatef((GLfloat)neg_target(0), (GLfloat)neg_target(1), (GLfloat)neg_target(2));
+    ::glTranslated(neg_target(0), neg_target(1), neg_target(2));
 }
 
 void GLCanvas3D::_picking_pass() const
@@ -5003,9 +5004,9 @@ void GLCanvas3D::_render_background() const
     ::glVertex2f(1.0f, -1.0f);
 
     if (m_dynamic_background_enabled && _is_any_volume_outside())
-        ::glColor3f(ERROR_BG_COLOR[0], ERROR_BG_COLOR[1], ERROR_BG_COLOR[2]);
+        ::glColor3fv(ERROR_BG_COLOR);
     else
-        ::glColor3f(DEFAULT_BG_COLOR[0], DEFAULT_BG_COLOR[1], DEFAULT_BG_COLOR[2]);
+        ::glColor3fv(DEFAULT_BG_COLOR);
 
     ::glVertex2f(1.0f, 1.0f);
     ::glVertex2f(-1.0f, 1.0f);
@@ -5172,7 +5173,7 @@ void GLCanvas3D::_render_volumes(bool fake_colors) const
         else
         {
             vol->set_render_color();
-            ::glColor4f(vol->render_color[0], vol->render_color[1], vol->render_color[2], vol->render_color[3]);
+            ::glColor4fv(vol->render_color);
         }
 
         vol->render();
diff --git a/src/slic3r/GUI/GLGizmo.cpp b/src/slic3r/GUI/GLGizmo.cpp
index 72bf18de95..ced0ca85bd 100644
--- a/src/slic3r/GUI/GLGizmo.cpp
+++ b/src/slic3r/GUI/GLGizmo.cpp
@@ -142,15 +142,15 @@ void GLGizmoBase::Grabber::render(const BoundingBoxf3& box, const float* render_
     if (use_lighting)
         ::glEnable(GL_LIGHTING);
 
-    ::glColor3f((GLfloat)render_color[0], (GLfloat)render_color[1], (GLfloat)render_color[2]);
+    ::glColor3fv(render_color);
 
     ::glPushMatrix();
-    ::glTranslatef((GLfloat)center(0), (GLfloat)center(1), (GLfloat)center(2));
+    ::glTranslated(center(0), center(1), center(2));
 
-    float rad_to_deg = 180.0f / (GLfloat)PI;
-    ::glRotatef((GLfloat)angles(0) * rad_to_deg, 1.0f, 0.0f, 0.0f);
-    ::glRotatef((GLfloat)angles(1) * rad_to_deg, 0.0f, 1.0f, 0.0f);
-    ::glRotatef((GLfloat)angles(2) * rad_to_deg, 0.0f, 0.0f, 1.0f);
+    double rad_to_deg = 180.0 / (double)PI;
+    ::glRotated(angles(0) * rad_to_deg, 1.0, 0.0, 0.0);
+    ::glRotated(angles(1) * rad_to_deg, 0.0, 1.0, 0.0);
+    ::glRotated(angles(2) * rad_to_deg, 0.0, 0.0, 1.0);
 
     // face min x
     ::glPushMatrix();
@@ -568,7 +568,7 @@ void GLGizmoRotate::render_grabber(const BoundingBoxf3& box) const
 
     ::glBegin(GL_LINES);
     ::glVertex3f(0.0f, 0.0f, 0.0f);
-    ::glVertex3f((GLfloat)m_grabbers[0].center(0), (GLfloat)m_grabbers[0].center(1), (GLfloat)m_grabbers[0].center(2));
+    ::glVertex3dv(m_grabbers[0].center.data());
     ::glEnd();
 
     ::memcpy((void*)m_grabbers[0].color, (const void*)m_highlight_color, 3 * sizeof(float));
@@ -577,7 +577,7 @@ void GLGizmoRotate::render_grabber(const BoundingBoxf3& box) const
 
 void GLGizmoRotate::transform_to_local() const
 {
-    ::glTranslatef((GLfloat)m_center(0), (GLfloat)m_center(1), (GLfloat)m_center(2));
+    ::glTranslated(m_center(0), m_center(1), m_center(2));
 
     switch (m_axis)
     {
@@ -965,8 +965,8 @@ void GLGizmoScale3D::render_grabbers_connection(unsigned int id_1, unsigned int
     if ((id_1 < grabbers_count) && (id_2 < grabbers_count))
     {
         ::glBegin(GL_LINES);
-        ::glVertex3f((GLfloat)m_grabbers[id_1].center(0), (GLfloat)m_grabbers[id_1].center(1), (GLfloat)m_grabbers[id_1].center(2));
-        ::glVertex3f((GLfloat)m_grabbers[id_2].center(0), (GLfloat)m_grabbers[id_2].center(1), (GLfloat)m_grabbers[id_2].center(2));
+        ::glVertex3dv(m_grabbers[id_1].center.data());
+        ::glVertex3dv(m_grabbers[id_2].center.data());
         ::glEnd();
     }
 }
@@ -1170,8 +1170,8 @@ void GLGizmoMove3D::on_render(const BoundingBoxf3& box) const
             {
                 ::glColor3fv(AXES_COLOR[i]);
                 ::glBegin(GL_LINES);
-                ::glVertex3f(center(0), center(1), center(2));
-                ::glVertex3f((GLfloat)m_grabbers[i].center(0), (GLfloat)m_grabbers[i].center(1), (GLfloat)m_grabbers[i].center(2));
+                ::glVertex3dv(center.data());
+                ::glVertex3dv(m_grabbers[i].center.data());
                 ::glEnd();
             }
         }
@@ -1184,8 +1184,8 @@ void GLGizmoMove3D::on_render(const BoundingBoxf3& box) const
         // draw axis
         ::glColor3fv(AXES_COLOR[m_hover_id]);
         ::glBegin(GL_LINES);
-        ::glVertex3f(center(0), center(1), center(2));
-        ::glVertex3f((GLfloat)m_grabbers[m_hover_id].center(0), (GLfloat)m_grabbers[m_hover_id].center(1), (GLfloat)m_grabbers[m_hover_id].center(2));
+        ::glVertex3dv(center.data());
+        ::glVertex3dv(m_grabbers[m_hover_id].center.data());
         ::glEnd();
 
         // draw grabber
@@ -1303,7 +1303,7 @@ void GLGizmoFlatten::on_render(const BoundingBoxf3& box) const
 #endif // ENABLE_MODELINSTANCE_3D_FULL_TRANSFORM
             ::glBegin(GL_POLYGON);
             for (const Vec3d& vertex : m_planes[i].vertices)
-                ::glVertex3f((GLfloat)vertex(0), (GLfloat)vertex(1), (GLfloat)vertex(2));
+                ::glVertex3dv(vertex.data());
             ::glEnd();
             ::glPopMatrix();
         }
@@ -1330,7 +1330,7 @@ void GLGizmoFlatten::on_render_for_picking(const BoundingBoxf3& box) const
 #endif // ENABLE_MODELINSTANCE_3D_FULL_TRANSFORM
             ::glBegin(GL_POLYGON);
             for (const Vec3d& vertex : m_planes[i].vertices)
-                ::glVertex3f((GLfloat)vertex(0), (GLfloat)vertex(1), (GLfloat)vertex(2));
+                ::glVertex3dv(vertex.data());
             ::glEnd();
             ::glPopMatrix();
         }