Helix keyboard inclination foot

This is a foot that tilts 8 degrees to Yushakoubou's keyboard Helix(https://github.com/MakotoKurauchi/helix)
You need 3 each 6 mm M2 screw to fix this foot to Helix.
I encourage to stick silicone slip stop under this foot.
e.g(https://www.aliexpress.com/item/3cm-1m-White-anti-slip-silicone-rubber-plastic-bumper-damper-shock-absorber-3M-self-adhesive-silicone/32621359676.html?spm=a2g0s.9042311.0.0.27424c4dhk05ne)