Soviet-Inspired Magnetic Spoon Action Grenade

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This 3D printed prop grenade was designed for my son as a fun, Soviet-style cosplay piece — complete with a rounded spoon that pops off when the pin is pulled!

Instead of using a spring (and spending all afternoon crawling around looking for it...), I went with 4x 10mm x 2mm magnets, cleverly placed with opposing poles. It’s satisfying and repeatable — and safer for carpet.

Functionality:

• If you hold the spoon and pull the pin gently, it stays close.
• If you grip the body and give the pin a quick tug, the spoon pops off dramatically.

Assembly Instructions:

• Glue the neck into the main body.
• Insert the magnets into the neck and spoon — make sure they’re oriented to repel each other.
• The pin is a snug fit by design, so depending on your printer, a little filing may be needed for a smooth pull.

Printing Notes:

• Designed for easy FDM printing with standard 0.4mm nozzle.

• No supports required for body

   

Great for cosplay, display, or just a fun desk toy. It’s not a real grenade (obviously), just a tactile prop with satisfying action.