40mm toy spring-powered grenade that can fire soft darts
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Description
This refers to the suggestions from experts, referencing [Real Grenade] 40mm Reusable Spring-Powered Grenade - Free 3D Print Model - MakerWorld, drawing on the principle of QD buckles, and then modified to create a toy grenade that can fire 13mm soft darts, capable of firing three rounds at once. It also restores the physical primer design, replicating the original's firing method. However, the parabolic range is about 5-6 meters, not far, with low power and minor harm. Please play safely!! Do not dangerously modify it to harm people or animals, thank you!!
Hardware list (very little hardware)
2x 5mm metal balls
2x M3*8 countersunk screws + 2 nuts (ordinary hex nuts will do)
0.6*12*20mm spring
1.8*26*80mm spring (recommended length is about 60mm-80mm, as I only had 80mm, I used 80mm, but using the 80mm multiple times can easily break the top of the model, possibly due to insufficient material strength)
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License
You may create derivative works based on this object, provided that all such derivative works are published exclusively on the MakerWorld platform and include proper attribution to the original creator. You may not share, upload, host, distribute, or publish this object—or any derivative work of this object—on any other digital platform, marketplace, or distribution channel. Commercial use of this object and any derivative works is strictly prohibited. This includes, but is not limited to, selling, renting, sublicensing, or using the object in any context in which you receive monetary compensation or other financial benefits.
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