It can fire with a spring system. Thanks to the stl files inside, you can produce it at any scale you want. For quality production, you can produce it in pieces and assemble it easily. The spring coming out of a standard ballpoint pen can be used.
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STL file Diesel Tank 🪖・3D printer design to download・Cults
STL File Artillery Cannon ?・Design To Download And 3D, 51% OFF
KV-Tank Drone-001 3D model 3D printable
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STL File Artillery Cannon ?・Design To Download And 3D, 51% OFF
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Free Tank 3D Print Models
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Airfield Fuel Tank - Digital Download .STL Files for 3D Printing
