I needed to solve a problem with a robotic vacuum cleaner that was always stuck on the clothes dryer. So I marked out two walls that simply snap onto the dryer pipe.

Important parameters!
Pipe diameter: 16 mm
Minimum width of the short leg: 37 mm
Maximum width of the short leg: 46 mm
Minimum width of the long leg: 40 mm
Maximum width of the long leg: 51 mm

Problem:

Solution: