1 files changed, 1 insertions, 1 deletions
diff --git a/solid.py b/solid.py
index 6bf3790..67e8c81 100644
--- a/solid.py
+++ b/solid.py
@@ -3,7 +3,7 @@ import numpy as np
 class Solid(object):
     def __init__(self, id, mesh, rotation=np.identity(3), displacement=(0,0,0),
                  material1=None, material2=None, surface1=None, surface2=None,
-                 color=None):
+                 color=0xffffffff):
         self.id = id
         self.mesh = mesh