It looks like Fincher updated the design to use ring terminals screwed directly to the lower components in favor of manual soldering. Considering that the tank section appears not to have changed, could you not do the same thing? Seems to me like a mechanical connection would be superior to a solder one.
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Looking around, it appears this is the type of connection in question:
https://www.aliexpress.us/item/3256805066682732.html
Surely there are vape shops which might have something similar? Not that it'd hurt to order a $2 part off AliExpress, but if you can get it locally all the better. They are apparently also called a "Squonker": https://www.modmaker.com/mm510-v1-squonker-ss16mm05mm

Looking around, it appears this is the type of connection in question:
https://www.aliexpress.us/item/3256805066682732.html
Surely there are vape shops which might have something similar? Not that it'd hurt to order a $2 part off AliExpress, but if you can get it locally all the better. They are apparently also called a "Squonker": https://www.modmaker.com/mm510-v1-squonker-ss16mm05mm
Statistics: Posted by Nomake Wan — December 24th, 2025, 4:27 am