Set of Gravitrax curved speed rails (EASY TO PRINT)
thingiverse
Yet another set of curved rails compatible with the Gravitrax marble run and the following features: * **Easy to print (No Support needed)** * **Allow also high cornering speeds of the marble** * **Tight fit** The marble touches the outer wall only if entering at higher speed. So it causes no additional friction at low speed. **** ***Revision History*** **V1.0** Initial upload **V2.0** Overhang of the inner rails reduced, due to some problems in printing w/o supports **V3.0** Little improvements: e.g edges rounded, less clamping ****
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