Ryan Butler of St Paul is looking out for all the people that don't like to shovel or snow blow their sidewalks and driveways. He used a 3-D printer to create what he calls a "snow cat + snow blower". He says it's comparable to a gas-powered snowblower and safer as well. The design will be available soon but you'll need your own printer and have to put it together yourself. Check out more here.

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