Steel ball launching toy

thingiverse

YouTube video (releases 1/1/2024): https://youtu.be/2zgRxNnwczYArduino code: https://github.com/JensMakerAdventures/SatisfyingPinballAdditional material:Front cover panels: transparant acrylic sheets. They are useful for not getting balls shot in your eyes. I laser cut these.Stepper motor NEMA 17HS4023 https://nl.aliexpress.com/item/1005004963609855.htmlOn/Off switch (sorry can't find link), footprint hole in front cover is 13.7 mm high and 8.8 mm wideArduino CNC shield V3 https://nl.aliexpress.com/item/32548695669.htmlArduino, any 5V type will doDupont wiresTMC2208 stepper driver https://nl.aliexpress.com/item/1005003287937798.htmlRotary Encoder Module Voor Arduino https://nl.aliexpress.com/item/1005002132981406.htmlSpring. I took one from an assorted spring package that suited.Metal balls, I used 9 mm ones https://nl.aliexpress.com/item/1005003281616396.htmlPower supply, I used a 12V I still had from an old modem for the stepper driver and used the voltage regulator on the arduino for 5VThreaded inserts for M2 (large gear) and M3 (rack).Bolts and nuts in M2 and M3 in various sizes, with O-rings.Bearing 17mm outside diameter, 6mm inside diameter, thickness 5 or 6 mmSupports:Everything can be printed without supports, except the back cover (or at least I used supports for the screwholes there).Material:I used PETG to print the parts, 0.4mm (default) nozzle size on a Prusa i3 MK2. Print profile and layer height:Print settings are on the PrusaSlicer profile "0.35mm FAST" which has 0.35 mm layer height.Infill:I used 80 percent infill for the gears, rack and stand. The others I printed on 20%.Can I use this model to:Impress your friends or excite grandma? Yes. Make money? No.It's on Creative Commons Attribution - Non commercial. If you use this model publicly you need to give attribution.https://creativecommons.org/licenses/by-nc/4.0/deed.en