Firework pull ring ignitor
thingiverse
Spark ignitor for pyrotechnic devices like smoke bombs and firecrackers. Adhere two matches together using a strong adhesive, such as hot glue. Secure the matches to the firework, then attach the fuse to the matches, ensuring contact with the ignition point between them. Remove some of the striker material from the matchbox and insert it into the 3D printed part. Add a length of string or wire for manipulation. Gently press the 3D printed component onto the device. Note: This method was tested using TPU materials and has not been attempted with PLA or other rigid materials, but should be suitable.
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