Dampening feet that fit the Ender-3 V3 Plus feet (40mm round gum pads)
The author remixed this model.
Made them a bit bigger, suitable for my printer (Creality Ender-3 V3 Plus). The small blocks you have extra and have them to glue are integrated in my version.
Perfectly fits for the gum-pads in this size.
Taken nearkly same print-settings as you (I use CrealityPrint).