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Custom all copper 455nm nubm47v2 laser pointer

Tommyvsd

New member
Joined
Dec 31, 2025
Messages
7
Points
3
Can you guys critique my build please? I would greatly appreciate any and all feedback. It has a sxd super v3 driver thermal glued inside with 20mm module (all in one from DTR lasers) fitted and shimmed with thermal paste inside a 3/4 copper pipe and a 5x beam expander. I need to get a better battery holder situation figured out soon. It’s running 2 18650 lg chems in series. Thank you guys!
 

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Can you guys critique my build please? I would greatly appreciate any and all feedback. It has a sxd super v3 driver thermal glued inside with 20mm module (all in one from DTR lasers) fitted and shimmed with thermal paste inside a 3/4 copper pipe and a 5x beam expander. I need to get a better battery holder situation figured out soon. It’s running 2 18650 lg chems in series. Thank you guys!
Great use of copper tubing!
 
I love it! You can use some steel wool and really get that thing shining if you'd like as well!
 
No... don't change anything, leave it as is, the rough version is nicer, or you can use a larger tube that can accommodate 2x26650s in series. And instead of the G-8 collimating lens, use a G-2 that absorbs only 5% of the light emitted by the diode.
 


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