Grohe faucet repair

The water limiting button on my 18 years old Grohe faucet failed because some small part on the inside of the knob was broken. I designed a ring in Openscad to put inside the knob and replace the broken part. Probably you will need to modify the design to adjust for the broken parts in your knob. This is v2 of the design, because in the first one, the parts on the 2nd level of the ring broke off very easily because the 2nd level needed to start in the middle of a 0.2mm layer. Now the 2nd lev