Fjell & Opblack on FR4 

Keyboard: Mekanisk Fjell
PCB: Merro60
Millmax: 7305
Plate: FR4
O-ring: 40A
Keycaps: Ranked PBT Malibu
Switches: Opblack
Lube: 205g0
Films: Deskeys
Springs: TX 55g M
Stabs: Cherry clip-in
Mods: Bumpon o-ring mount
Oh lord this is just as good as mx black on alu, maybe even slightly better. Both opblack and fr4 plate haven't disappointed me yet.