Proper Plane has released a 1:32 scale 3D printed Morell Anemo-Tachometer fitted to many WWI German aircraft
This is partial text from the full article (usually with photos) at https://aeroscale.net/news/morell-anemo-tachometer-released
This is partial text from the full article (usually with photos) at https://aeroscale.net/news/morell-anemo-tachometer-released