This is a 3D-printable case for the Amazon Dash button. It's designed to be used either with the sticky pad included (and used) or you will need to use a mm thick spacer/foam pad to hold it in place. The back holds in place purely with friction as long as you don't take it off and put it on too many times. I left a bit off additional space around the outside of the dash to allow for shrinkage of different printers, so if the dash isn't stuck in with double-sided tape or similar it will rattle around.

It has a bit of stand at the back so it can be placed on a table or whatever and pressed without it falling over. You may want to stick it down using blu-tac or a sticky pad or something though. I use alternate versions at home where I've cut an icon for whatever it controls into the case as I don't use them to actually order things from Amazon, but talk to a Raspberry Pi listening for the broadcast when they connect to my network!

I created it in Solidworks and included those files as well as the STLs for printing. The case is 3.2mm thick as I found that any thinner with my printer with it's 0.4mm nozzle the inside and outside of the case separate.