Hi Arylic
It would be great if you included a set of 4 brass stand offs with with male thread.
So you can stack multiple units like in some of your DIY photos on your website.
@John_smith hello, you can buy it in several sizes from AliExpress:
https://a.aliexpress.com/_m0jB3mk
https://a.aliexpress.com/_mOiqydA