Found 2 3D-models for “tuning coil” across many websites

#variable capacitor#coil#antenna#tuning coil#Variometer#radio#electronics#crystal radio#tuning
ThingiverseThingiverse
Variometer for Crystal Radio

Variometer for Crystal Radio

ThingiverseThingiverse
Variometer for crystal radio 2.0

Variometer for crystal radio 2.0

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