Im planning to build single size easels from aluminum for the following size papers, 8x10, 11x14, 16x20 and 20x24.

Im planning to apply 3/4" border for the 20x24 and 16x20 papers and 1/2" border for 11x14 and 8x10 papers.

It'll be laser cut 1/8" aluminum, then possibly painted vs anodized. the alternative material is 3/16 black matte acrylic.

My question is, are the border sizes ok? Do you think it should be thicker? I plan to print on FB paper only, and plan to have signature on the white border at the bottom, also they won't be dry mounted, but placed on the matting board with corner clips.

The photo below is an example that was built by a fellow photographer. Click image for larger version. 

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