Kingroon KP3S Pro V2 (original version) printing fast PLA+ using Klipper. Filament is Kingroon PLA+ yellow.
This printer is bone stock with no updates or improvements done to it. it prints pretty well but they have a hotend upgrade that addresses some issues.
If you're in the market for a fast Klipper printer without an enclosure, this is a great option for ~$250.
www.kingroon.com