3d printed 'wooden train locomotive'

thingiverse

A locomotive designed for wooden train sets is a fundamental component of any railroad system. To ensure its stability, it's recommended to use 3mm magnet holders when the magnets are only 3mm in height. For the axles, The Hillman Group 3832 1-1/4 In. Posts with Aluminum Screw (http://www.amazon.com/gp/product/B00IAVHHQQ?psc=1&redirect=true&ref_=oh_aui_detailpage_o04_s00) are a suitable choice. To enhance the locomotive's stability, adding metal to its body can be beneficial, as seen in the example. This will result in less derailment and a smoother ride. For more information on the design decisions behind this locomotive, visit https://ruben42make.wordpress.com/2015/07/21/wooden-train-v2/.