It's simply begging for a 3d printable version! (you would have to press or melt in the metal pins) It reminds me strongly of this design which I like, though

It's simply begging for a 3d printable version! (you would have to press or melt in the metal pins) It reminds me strongly of this design which I like, though it doesn't have the pins and is not designed for 'side mounting': https://www.thingiverse.com/thing:724471 https://www.thingiverse.com/thing:724471