If you want to fix a Noctigon Meteor M43 Flashlight to a Gopro mount this is your adapter.
I use it with a handlebar Gopro mount.
the Velcro band is just for securing the flashlight and to avoid rattling noises
Link to the Flashlight: (not build anymore) https://intl-outdoor.com/led-flashlights/noctigon-4-18650-meteor-m43.html
i recomend PETG
The author marked this model as their own original creation.