This is a Škoda (Skoda) Felicia lock ball joint with a hole for M4 bolt.
-I used an Anet a8 printer with 113% upscale.
(your upscale size may vary depending on printer and/or settings)
-Printed it 90 degrees rotated to it's side.
-Only used support in between the slits on the tip of model.
-About 30 minutes to print.
The author hasn't provided the model origin yet.