ZKP1 Planetarium
Zeiss ZKP1 Planetarium projector.
I hope you enjoy this model - it's proportions are very slightly different from the real thing because I only had photographs to go on when I designed it.
If you are a planetarium fan there is far more information on the planetariumsasahobby free forum.
If you make or improve it please share!
Note: the transparent section of the milky way projector is just cut out of a little plastic soap bottle - you could always print a cylinder section instead.