My dog loves to play ball, but I found hard to play with him all day long. I build my first version ball launcher which uses fast spinning motor to spin the ball out  See the link http://www.youtube.com/watch?v=hX_4McljWo4   The drawback of that is his slavor makes it no use of the device, too slippery to spin it out.

Then I came accross Dean Segovis's Make Project,  I started to build the second version ball launcher for my dog. http://www.youtube.com/watch?v=7LtYAWa0xAs&feature=youtu.be  Here are some pics of the detail of the ball launcher.

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Bio: I am an industrial designer, nice to find a place like this to share my stuff ,
More by jake_lee_1105:Baby's snot aspirator PANDA 2- DUST SEPARATION VACUUM CLEANER (100% SUPPORT-FREE ) Tortoise's Floating Apartment 
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