Thanks

Hi, I confirm that the noise cannot be completely eliminated (unless using a ball bearing) even if during printing it is overcome by all the other noises. With the various prototypes I noticed that it depends a lot on the material: for example, classic PLA is noisier than PETG-CF, not only due to the physical characteristics of the material but also because it rotates less quickly. I have not tried PLA Silk and Metal, they have a particularly smooth finish which should improve sliding but there would still be the need to remove the fan when printing with a closed chamber to avoid deformations due to heat.