The 10th annual Old-Lumens challenge - People's Choice Award - Choose your favorite!

Vote for your favorite build of the The 10th annual Old-Lumens challenge! This poll will close after 14 days.

Please familiarize yourself with all of the build threads before casting your vote:

Top row, left to right:
MtnDon, YuvalS, Skylight, Haukkeli, Tomogchi

Bottom row, left to right:
MascaratumB, everydaysurvivalgear, MashedPotatoJeff, The Whispering Gallery, FearOfTheDark

Summary of builds:

MtnDon created a shoji lantern with a wooden housing.
YuvalS created a multi-channel voice activated caving head lamp.
Skylight heavily modified a Sofirn SF22.
Haukkeli built and tested some new boost drivers from TheFreeman and installed them in a Noctigon KR1 and KR4.
Tomogchi built a fresnel lens thrower from cans and parts on hand and dubbed it “Frankinbeans.”
MascaratumB turned a Fenix E12 V2.0 into a mule, running Bistro HD OTSM.
everydaysurvivalgear made a clicky light with copper tubing.
MashedPotatoJeff converted an FW3A, which is a triple, to use a single emitter and reflector.
The Whispering Gallery designed and machined two P60 drop-ins.
FearOfTheDark rebuilt a Nitecore HC90 with a made from scratch driver and custom firmware.