[Expanderoo]

So the clips are working. I'm fairly happy with them but I think they put too much stress on the walls when they are folded. I think a complete redesign would be good with the attachment points being on the top of the wall or even the outer side.

They do work I just don't like the pressure I suspect they put on the walls (when folded) and I think long term, a different design would be better. They are easy enough to remove but if you leave them attached, you need to slide them towards the middle of the walls to clear the sink.

That's my initial impression of using them. I'm in vacation mode and I don't have my 3d printer with me but I might make another design.