Marble 6-way-switch - compatible with gravitrax
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A non-randomizing 6-way-switch for your marble run
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Model information
- Source
- Printables
- Category
- Building Toys
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
There are some “randomizing” 6-way switches available on 3D print platforms.
I've tried some of these and all were working in a way that at least one exit was almost never considered.
So I decided to design a non-randomizing 6-way switch which evenly distributes to all 6 exits.
You need some additional parts:
- 6 screws M3 10mm
(stainless steel may not be magnetic enough - better use “standard" screws which are magnetic) - 1 screw M3 16mm (or max. 25mm)
- 1 nut M3
- 1 neodym magnet diameter 10mm height 3mm
- 2-3 washers
- CA glue to keep the magnet in place
⚠ Make sure to insert the 6 screws before attaching the ring with glue! ⚠
The print may need a few supports only ⇒ see attached images.
Use 2 or 3 washers on the inner screw - the inner part must move freely and always stop in one of the 6 locations which are defined by the magnet stopping close to a screw.
If your magnet is weak you may use the optional part GravitraxDistributor_V5-UnterlegescheibeMagnet.stl to get it closer to the screws.
Have fun!
You may also want to have a look at my drop rails.
Base tile and ring are used with permission from the great collection on https://github.com/mkaschub/gravitrax-extensions.
Thanks to M. Kaschub for sharing.