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Ring Launcher Project
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This is an ultra-low-budget foam ring-launching STEM project. It has a range of about 5ft (2m) and is perfectly safe as the ring is foam. This was originally designed to inspire STEM learning through hands-on workshops with elementary to middle school age children. With a total unit cost of $1.39 and allowing students to learn hands-on about motors, batteries, electricity, and physics, it is my hope to spread STEM learning and education.
The main parts of the launcher are 3D printed: “Part A” and “Part B”. Part A is the base and includes an integrated motor mount, battery holder with spring, and some cutouts. Part B is where the rings are stored and the guide for the ring while launching. They are held together with two zip-ties on opposite sides.
Printing Instructions:
Print at 0.25mm layer height or better. PLA/ABS preferred. No supports.
Part A is ~19g and should take about an hour to print. Part B is 6g and should take 20 minutes to print. Each Ring Core is 2g.
Ring Ass
The main parts of the launcher are 3D printed: “Part A” and “Part B”. Part A is the base and includes an integrated motor mount, battery holder with spring, and some cutouts. Part B is where the rings are stored and the guide for the ring while launching. They are held together with two zip-ties on opposite sides.
Printing Instructions:
Print at 0.25mm layer height or better. PLA/ABS preferred. No supports.
Part A is ~19g and should take about an hour to print. Part B is 6g and should take 20 minutes to print. Each Ring Core is 2g.
Ring Ass
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