diff --git a/lib/matplotlib/artist.py b/lib/matplotlib/artist.py
index 7244989eb0ad..75a602d04844 100644
--- a/lib/matplotlib/artist.py
+++ b/lib/matplotlib/artist.py
@@ -1510,7 +1510,7 @@ def setp(obj, *args, **kwargs):
 
 
 def kwdoc(artist):
-    """
+    r"""
     Inspect an `~matplotlib.artist.Artist` class and return
     information about its settable properties and their current values.
 
diff --git a/lib/mpl_toolkits/mplot3d/art3d.py b/lib/mpl_toolkits/mplot3d/art3d.py
index 796cb8dff4d4..6a5c78b86119 100644
--- a/lib/mpl_toolkits/mplot3d/art3d.py
+++ b/lib/mpl_toolkits/mplot3d/art3d.py
@@ -710,6 +710,9 @@ def get_facecolor(self):
     def get_edgecolor(self):
         return self._edgecolors2d
 
+    def get_facecolors(self):
+        return self._facecolors
+
 
 def poly_collection_2d_to_3d(col, zs=0, zdir='z'):
     """Convert a PolyCollection to a Poly3DCollection object."""
diff --git a/lib/mpl_toolkits/tests/test_mplot3d.py b/lib/mpl_toolkits/tests/test_mplot3d.py
index 8d2815408dc3..8abe4579f533 100644
--- a/lib/mpl_toolkits/tests/test_mplot3d.py
+++ b/lib/mpl_toolkits/tests/test_mplot3d.py
@@ -256,7 +256,9 @@ def test_trisurf3d():
 
     fig = plt.figure()
     ax = fig.gca(projection='3d')
-    ax.plot_trisurf(x, y, z, cmap=cm.jet, linewidth=0.2)
+    tri = ax.plot_trisurf(x, y, z, cmap=cm.jet, linewidth=0.2)
+    # smoke test for facecolors
+    tri.get_facecolors()
 
 
 @image_comparison(baseline_images=['trisurf3d_shaded'], remove_text=True,