ardumower
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If You Have A 3D Printer You Can Make Yourself A Cheap Robotic Lawn Mower
A decent robot mower will set you back a couple thousand dollars, considerably more than the robot vacuum that’s patrolling your living room for dust. But if you’ve got access to a 3D printer and a bit of electronics know-how, you can print and build a robotic mower for a fraction of the cost.