GRAVITRAX compatible: extendable groundplate system

This expansion for the Ravensburger's GraviTrax marble run system enables to make an extendable base, allowing you to place the hexagonal plates only where needed.

Watch the video for a demo.

**Components**
There are three series of files:
- GTX GP-P: plates,
- GTX GP-S: beams,
- GTX GP-C: clips.

**OpenLOCK system**
The parts locking system is based on OpenLOCK system.
GTX GP-CS clips are springy and GTX GP-CT clips are tight.
Plates and beams print with their own supports which are easy to break off.

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Cette extension pour le système de circuit de billes GraviTrax de Ravensburger permet de construire une base extensible où les plateformes hexagonales peuvent être placées uniquement là où il y a besoin.

Regardez la vidéo pour une démo.

**Éléments**
Il y a trois types de fichiers :
- GTX GP-