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3D print your own GraviTrax trebuchet with these files: https://www.thingiverse.com/thing:4274084.
The post marble trebuchet #gravitrax appeared first on Gravitrax.trek.pub.
Follow the rest of this piece over at: Gravitrax.trek.pub (Read More). Gravitrax is a very fun marble run board game, the website is dedicated to that.
