Keycapsss was out of stock of their case so I ended up printing one my self instead of waiting. All you will need is 10 M2 x 8mm screws.

I've used metric ones that were lying around, with a little pressure this give a nice tight fit.

Please note you will need to prind each part twice using mirror symetry to have the needed parts.

Also I've included a cover for those of you that want to travel with your keyboard. This is not needed for the build, but is an extra. The top cutout is for a magnetic USB tip to fit to avoid having to disconnect it each time.