E27 Lampshade to lamp socket adapter

Integrate this in your lampshade (diameter of aperture is 8cm)... glue it in or bring it directly to your 3d model.

Ring_an_Schirm.stl
Attach this to the shade

Innenteil_an_Glübirne.stl
Attach this to the lampsocket

Now you can just slide and turn your shade over your bulb in socket...

Hope it works!