This is a school project I had to do and went a bit far with the details cause it was fun. I figured that as it turned out really nice I might as well upload it.
These crystal radios were mostly used roughly between 1900 and 1950. The cool thing about them is that they don't need any electricity to work.
The assembly is a little bit complicated as there are a lot of parts, but with the expanded views I've included it should be pretty easy.
The number at the end of the .stl file names is the number of times you need to print that piece.
The coil is made from simple baggage rope that I fixed to the arms with CA glue that I painted with gold spray after assembly.
3D printing settings
I used silver, black and gold pla. 0.2mm layer height except for the very small parts like the ''lever-link-1''
The author marked this model as their own original creation.