My Roomba is (according to the specs online) 3.6" tall. I'm trying to imagine the Roomba height in relation to the couch and tables... Another inch or 2 might

My Roomba is (according to the specs online) 3.6" tall. I'm trying to imagine the Roomba height in relation to the couch and tables... Another inch or 2 might be a deal breaker for me.