1-Channel Programmable Percussion Rhythm Machine

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Yes, even this design can be downloaded free of charge once I am fully funded for my RoboGuts S.T.E.A.M. Education Program Kits; IF each viewer donates just five dollars I'll be funded almost overnight and then all my designs become free downloads! The fastest way to get all my STL files free is to donate five dollars to help fund school materials ... once I have three thousand five hundred dollars I'll convert all these files to free downloads. https://www.gofundme.com/roboguts-kits-lessons This system can be expanded multiple channels on a rotating drum with multiple drums and gearing between the vertical and horizontal systems you can add more and more to create a very large array of percussive triggers ... I'm still tweaking various different multiple systems. Every part here is designed to be made with a CupCake MakerBot except for the rubber band get one from your local post office! I wish I had a MakerBot to actually build and test my creations! This is another entry in the makezine.com go makerbot contest ... blog.makezine.com archive 2010 04 makerbot giveaway html Instructions see the bill of materials for quantities of each to MakerBot for the one channel PPRM then MakerBot the parts and start fitting them together into your new drumming tapping machine as shown in the diagrams. A rubber band is a spring around the horizontal extensions out to the hammer pulls the hammer back to a stand-up position. Program the drum set by sticking the programming pegs into the holes on the drum ... Set different objects in front of the hammer and crank the machine to hear the rhythm you created ... It's a learning process to understand beats measure then with two one gearing and a second machine you can increase the resolution to thirty-two beats measure. BTW if you store a few extra programming pins inside the drum you now have a second noise source albeit not percussive but more like a rattle. If you successfully make this with a three D printer please send me the build file and machine type so it can be uploaded here for others to use.