[Old version] Backscatter HF-1Reduction Ring Set

Boost MeIf you like this design, please give it a Boost to help support my 3D printing habit. It will be greatly appreciated.[This is an older version of the Reduction Ring Set. Please look at Version 2 for the latest improved design.]Version 2: https://makerworld.com/en/models/1746548-reduction-ring-set-for-backscatter-hf-1-strobe-v2#profileId-1856417 This is a Reduction Ring for the Backscatter HF-1 underwater strobe. The purpose of a reduction ring to limit the width of the strobe light cone