@aserramonner @gijs Noise is definitely an issue... I mean, it has to move a significant amount of air & doing so quietly isn't just a matter of motor noise my kludge definitely isn't silent
@fanden hvis det er for svært at skære en rille kan man nogle gange slå med en hammer på skruetrækkeren. Men jeg tvivler lidt at plastikken overlever sådan en behandling.