An “Amsterdammertje” is a small pole placed everywhere in Amsterdam. Originally this was a cannon barrel put in to the ground to prevent horse and wagon hitting buildings. Nowadays modern versions are placed everywhere to prevent cars from parking in non-designated areas and to protect pedestrians form the crazy Amsterdam cyclists. This model was made in Blender 2.77 for an Amsterdam fan. The Cura file is made to fill the maximum build volume of the Ultimaker 2+ printer. The model is made hollow so that LED lightning can be places inside. Latter works especially nice for prints with white or transparent filament.