Our pet poodle keeps knocking his toys and balls under the furniture when he plays. He scratches at the furniture to get the toy back out or until we fish it out with a yard stick. Of course he loves doing this when we are in the living room trying to watch TV.
There are two types of corner connectors, one for furniture with straight legs, such as the coffee table, and one for furniture with a slight angle, such as the couch and love seat.
No supports are needed to print though I added a brim.
The author marked this model as their own original creation.