Main benefits

• matches the look of the original cover
• much more sturdy
• better and more secure fit
• doesn't prevent the seat to be moved all the way to the front

Print settings

• matte black PETG
• Layer height: 0,2 mm or lower
• 2 walls
• Position seams to the back
• Supports: yes. Some supports are built into the model, but you'll still need to use slicer supports. See image

• No need to support top part

Postproduction

• Remove slicer-generated supports and built-in supports (yellow parts)

You'll need to print two pairs of covers, second pair should be mirrored. Recommended is PETG or other higher-temp filament, preferably matte black color. Cover in the picture is printed from Prusament PETG matte black.