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Hi Tulio!

On my YouTube channel I post a weekly video of a 3D print! I recently got a request to do one on this awesome Marble Machine. I was wondering if there was a way I could get permission from you to do it. Here is my youtube if you'd like to check out some of the prints I've done: https://www.youtube.com/user/ScienceMadeFunner

Hope to hear from you! :)