100% Printable Launcher
Print Profile(1)

Description
100% Printable Launcher Mechanism
I wanted to design a simple launcher mechanism that is fully 3D printable and powered by nothing more than a standard elastic band.
The goal was to create a compact, reliable and easy-to-assemble mechanism without using any screws, nuts or other metal hardware.
Every part is fully printable, and the mechanism is completely functional once assembled.
Printing
I recommend printing all parts in PETG for the best mechanical strength and long-term durability.
PLA also works if you simply want to discover the mechanism or build a prototype.
Assembly
Assembly is simple and requires no additional hardware.
Before the final assembly, I recommend threading the printed screw into its threaded hole once, then unscrewing it again before assembling the mechanism.
This simple step helps break in the printed threads and makes the screw operate much more smoothly.
Operation
The GIFs included in this publication demonstrate how to load the mechanism and how it operates once assembled.
Good to Know
This mechanism is powered by a standard elastic band.
Simply cut a regular elastic band to create a flat elastic strip that will be used for propulsion.
For the best performance, I recommend using an elastic band in good condition.
Always use this mechanism responsibly and never aim it at people, animals or fragile objects.
I hope you enjoy this model as much as I enjoyed designing it.
If you print it, a Like or a Boost is always greatly appreciated. It lets me know that you enjoyed my work and encourages me to continue sharing new projects.
Happy printing!
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.


















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