Radiator replacement knob

Radiator valve knob printed in ASA. You can use ABS or PLA as well. On this plate are two models. One open and closed. Just pick one, and remove the other.

The standard (Dutch) radiator knobs (the simple open and close valves) have a profile that fits on a valve with a square of 5mm, and a depth of 5mm. Use the existing metal parts in conjuction with this knob. You may not need to metal adapter squares, but at least the nut insert and screw.

Open version

The open version is the standard radiator knob you can buy at any DIY or installation store. It is required you already have a set of screws for this one (see the last picture). For the open version, you can use PLA with the settings provided in the print profile.

Closed version

I made the closed for anyone who doesn't have the screw and adapter anymore, so this knob will fit right on top, without the need of getting the screw. that said, it means that more friction will be needed to have a stronger print. In this case, I chose to use ASA instead of PLA.