1435th cat door (20250206 updated)

This is the cat door for our Mila.
20250206 Next version of the door.
Square cutout size 140 mm. Designed for door thickness 38 mm. The holes are suitable for M4 bolts or suitable screws.
After installing the door, fill the groove in the corners with two drops of glue from a gluegun to prevent the door from jamming.