Put it down with the big flat surface on the printbed. This is the upper side of the part.
I printed on the textured PEI bed, which I prepared with a touch of glue stick.
Because of the hollow structure and the soft rubber material you get a very squishy bumper which will protect your door from getting damaged, even if you hit the door really hard against this buffer.
Dimensions are 35x35x35 mm - with a 12 mm thick cushion.
The author marked this model as their own original creation.