With this adapter you can upcycle a Gulden Draak beer bottle by attaching a lampshade to it and using it as a table lamp.

I chose the particular bottle because I think it looks cool and the beer tastes great.

As far as I know there are several other beer brands that use similar (or even identical) bottles but I haven't tried the compatibility yet.

A small G4 or G8 12V LED lamp works really good with the size of the bottle. You could also go cordless and use a small led with built in battery.

3D PRINTING SETTINGS:

• No supports needed.
• Turn off the make overhangs printable setting if you have it enabled (it can mess with the threads clearance).
• 0.2 or lower layer height.
• Use a filament with low warping - shrinkage properties (PLA works fine)