High power propeller launcher: LED UPGRADE
cults3d
This is the detachable LED upgrade for the original thing https://www.thingiverse.com/thing:3818539 that is fully balanced, doesn't require any extra actions and allows to play with propeller launcher even at night. Detailed instructions and how that was made, could be found in the original post https://www.instructables.com/id/High-Power-Propeller-Launcher/
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