Adds two machines that let you move item quality around instead of relying on quality-module RNG.

Quality Scrubber
Drops on a belt. Items flow straight through it, but anything with quality gets stripped back to normal on the way past, and that quality is banked as points for your Infusers. Click the scrubber to set a filter (a minimum tier, specific items, or both) so it doesn't strip everything.

Quality Infuser
Spends those points to do the reverse. Load items in, pick a target tier, and raise their quality. Run it by hand from its window, or switch on Auto and let inserters feed and empty it while it upgrades. By default, it upgrades as many items as your bank can cover at the moment, so a big load never gets stuck waiting; there's a map setting to switch it to all-or-nothing if you'd rather.

Quality is conserved: stripping a legendary banks exactly what a normal → legendary infusion costs.

Details

Requires the Quality feature (Space Age).
Works with mods that add extra quality tiers.
Tools and ammo only infuse while pristine; spoilable items can't be infused.
The banked total shows in the infuser window, reads out on the circuit network, and prints with /scrubbank.
Cost scaling and infusion efficiency are in the mod settings.