This is the plastic part of the hinge for the Technics SL-B2.
It seems it's the same as the SL-B20, SL-B202, SL-D2, SL-D20, SL-D202 turntables
It is probably
...Show more also used in other Technics turntables...
This is a first version it misses a chamfer at the cover tab feeding but works anyway.
I have posted the Freecad project file if you want to improve / modify it.
Printed OK with my Zonestar Prusa P802n in PLA, 0.2mm layers, 100% filled (this part is having a hard life !!) without support.