Blue Rose's Freezing Icegun from the anime Tiger and Bunny. Sized For Cosplay. 382mm long.
The Part named Glass snap fits in and is removable with a squeeze. Its designed to be printed in a transparent filament so that you are able to add lights and access the battery and switch.
The easy circle is flat and chamfered if you don't want to deal with more cleanup on the round version.
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