What is the opinion of Reddit about the
ANSI Anodized Aluminum Positioning Board Plate Support for GH60 60% Keyboard DIY Support Costar Stabilizers Cherry PCB Stabilizers (Silver)?

Here’s am aluminum plate on Amazon. You can also find aluminum ones on AliExpress. I couldn’t find any brass ones, so you’d have to get one custom cut from Laserboost or another laser cutter. I wouldn’t really recommend putting that much effort into a Ducky One 2 Mini, though.