These adapters are made to mount oehlbach shock absorbers with a diameter of 60mm on the printer. The shock absorbers can be easily removed with a screwdriver via the small opening on the underside.
The parts were printed with a 0.2mm layer height, 2 wall lines and 15% infill.
You can find them on Amazon under the following link:
https://www.amazon.de/OEHLBACH-Shock-Absorber-elastisch-schwarz-antrazit/dp/B00CEY9PWY/ref=sr_1_5?crid=1FJ7VK6SF61W4&keywords=oehlbach+d%C3%A4mpfer&qid=1701553678&sprefix=d%C3%A4mpfer+oe%2Caps%2C104&sr=8-5)