Here are a plate with 2 crossing curves.
The Crossing was printed bottom down as shown
The ring is printed separately (upside down) and glued into the plate bottom.
Here you can have a look how it works
Video
Kreuzung_Kurven.stl | 4.0MB | |
Ring.stl | 1.2MB | |
Ring_stronger.stl | 1.2MB |