Foam (Poster) Board Clips

I was trying to make a display with black foam (poster) boards to take consistent pictures of products for my business, and I didn't want to tape/glue them together. So I opened up Alibre Design and mocked these up real quick. There are two variations of these clips. The horizontal clip is intended to be used to secure foam (poster) boards going up in height. There is text on this clip reading “REAR” to orientate this side towards the back to hide any light coming through the crack on the sides. The vertical clip is intended to be used to secure foam (poster) boards going along the length and width. There is text on this clip reading “BOTTOM” to orientate this side towards the bottom to hide any light coming through the crack through the bottom, where there shouldn't be much light coming through. The text on both models have chamfers, so there won't be any overhang issues. If you're not concerned about light coming through for photo purposes, then the orientation doesn&