With the popularity of 3D printers and the current cult of vacuum tubes, it’s shocking we haven’t seen someone do this before. [Peter] printed his own sockets for a few vacuum tubes he had lying ...
[DaveMakesStuff] uses 3D printed test tubes for plants and similar purposes, and he’s shared how to make them on a 3D printer, complete with different models each optimized for different nozzle sizes.
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