![Vector path used to create alpha mask of a bicycle Vector path used to create alpha mask of a bicycle](http://www.albates.com/data/uploads/ideas/bike-alpha-mask.jpg )
![Raleigh Special Products titanium cross-country bike masked against a white background Raleigh Special Products titanium cross-country bike masked against a white background](http://www.albates.com/data/uploads/ideas/raleigh-special-products-titanium-crosscountry-bike.jpg)
Tricky little bit of masking this. Chain, sprocket teeth and particularly spokes were very difficult to mask by normal means so the whole object had to be drawn as a vector and then the path was used to create the mask. I'm particularly proud of the spoke nipples.