Office Chair Cylinder Brace
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A brace to help hold up office chairs with bad cylinders.
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Model information
- Source
- Printables
- Category
- Office
- License
- Creative Commons — Public Domain
I have an office chair that is very comfortable, but has a pneumatic cylinder that wants to lower the chair when I don't want it to. Since I usually use the chair in the top position anyway, I figured that I would create a brace that would hold up the seat regardless of what the cylinder wanted to do.
After several failed attempts, I settled on this design. It prints as a single piece, but you can separate the two halves with a knife or by giving it a good whack, depending on how much your printer wants to bond the two halves together.
Once separated, you place the two halves around the cylinder and secure them with zip ties. There are slots in the halves to keep the zip ties in place.
I originally printed mine with a 0.3 layer height at 20% infill out of PET, but it did not last more than a few days. So I reprinted it with 50% infill and 5 perimeters, which basically made it solid. far it seems to be holding up. Your mileage may vary.
I don't know if chair cylinders are standard or not, but hopefully this might help you if your cylinder decides to get a mind of it's own.