Thingiverse
Tunnel (Gravitrax compatible)
by christof-kr
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Tunnel with one straight and two sharp curve lanes.
The height of the tunnel is 2.5 height units.
It goes well together with the original Gravitrax Flip extension. Just add one more height unit as the flip raises the marble 3.5 height units.
https://youtu.be/XTCqd_-4eBU
The height of the tunnel is 2.5 height units.
It goes well together with the original Gravitrax Flip extension. Just add one more height unit as the flip raises the marble 3.5 height units.
https://youtu.be/XTCqd_-4eBU
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