Just a remix of Decontaminator Brass Brush holder to use Bambulab A1 Whiper
https://eu.store.bambulab.com/fr-fr/products/heatbed-nozzle-wiper-a1
note : Bed must be at 20mm upper 2020
The author remixed this model.
Change from bass brush to BBL A1 Nozzle Wiper