Christmas Rail Car 5 (Engine)

This is rail car number five (the engine) in what (I hope) will be a series of ten, one published every two weeks until Christmas. This O gauge engine (wheels, axle, coupler, gears and bed are all 3D printed plastic) is part of an active train.The design and print files for 3d printed parts can be...

By: MikeTheMaker



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from Instructables: exploring - technology http://ift.tt/1p2ivxY