https://www.printables.com/model/759734-oreck-vacuum-tube-extension#preview
Replacement tubes are only about $15 but why spend that when I can just print them!
this post was submitted on 17 Feb 2024
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I honestly think this is the worst use case for a 3d printer. The part isn't improved by printing. You can buy the part easily. The cost of modelling time and printing is more than the replacement. There's a decent chance the replacement part would have arrived quicker than the print took.... Sorry to be a bore, it's better than an octopus or another benchy, I'll give you that.
Excuse my ignorance, I don't know much about 3D printer material types / filament resistance, but from a few 3D printed cases for small devices I had, isn't the plastic brittle? Or the joints of layers. Especially for a long cylinder shape where force is going to be applied to. I dropped 2 cases on the floor and they broke in multiple pieces where 2 layers of filament joined. But granted, their thickness was 2-3 millimeters.
You are correct that injection molded plastic is generally stronger than FDM. I have a well tuned printer, and I use a .6mm nozzle which gives better layer adhesion than the standard .4mm while not having to sacrifice too much detail. I also print in a tent to keep the air warm and gain some effect from annealing the plastic which makes prints slightly stronger.