1 files changed, 1 insertions, 0 deletions
diff --git a/wheel.scad b/wheel.scad
index f7c168b..1ec0c5e 100644
--- a/wheel.scad
+++ b/wheel.scad
@@ -6,6 +6,7 @@ module wheel() {
     r_axis=5;
     
     // tire (modelled as torus)
+    color([0.1, 0.1, 0.1])
     rotate_extrude(convexity=4)
     translate([r_rim,0])
     circle(r_tire);