Marble track - gauss cannons (gravitrax compatible by using my basic tile)

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Some various magnetic gauss cannons designed to be used with the basic tile in order to create some incredible marble tracks. Note: This design is only compatible with my 6 exit basic tile. The basic tile is fully compatible with gravitrax. These cannons utilize either 3mm thick 20mm wide magnets or 5mm thick 20mm wide magnets. Important note: Don't glue them in; leave them a bit loose, as they fire much harder when slightly loose. Experiment here to see for yourself: https://youtu.be/Qpf9rWg9s4g For inspiration on cannon fun, check out this video: https://youtu.be/gLjz_M5uejk How to use a cannon twice in one run? Find the answer here: https://youtu.be/IKzbd2h6ktA ----- Update 24 July 2020: I've added versions for magnets of thicknesses 1.75mm, 3.5mm and 5.25mm. Update: Tested on a real gravitrax marble track and they fit perfectly! If you found this helpful, please donate what you think it is worth to my paypal.me account to help cover the time spent designing these cannons. Thanks, enjoy!