Office locker clothes hanger. For these locks which have 24mm diameter. Perfect for hanging your jacket there.
This is the version with Husqvarna logo and single hook. If you need it sturdier you could use a countersink M5 screw with total length of 20mm and screw from back.
Note: There are two different variants. One normal and one with extended hanging area, this could be useful if you have wide hangers.
There is a version without logo and with two hangers also, same attachment as this, show it here so you can see the concept:
https://www.printables.com/model/642882-martela-locker-hanger

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The author marked this model as their own original creation.