this post was submitted on 04 Jan 2026
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I tested putting my printsheet in the dishwasher (sh.itjust.works)
submitted 6 days ago* (last edited 6 days ago) by neidu3@sh.itjust.works to c/3dprinting@lemmy.world
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So, because I'm a lazy fuck with an extra print sheet, I decided to go against the advice on the internet, and test how my print sheet would handle my dishwasher.

It endured the "extra power" programme just fine, as I had some pots and pans that needed a thorough clean. I threw in a tablet of a reasonably OK brand of dish washer soap.

I figured the print sheet was built to handle temperatures hotter than what my dish washer would cause, so that wasn't really much of a concern.

The water where I live is extremely soft, so I didn't have to worry about any calcium or the like.

I'm thinking that the dish washer soap is the main concern, as I'm sure some might leave a small residue to ensure nice clean-looking glassware, but I have not found this to be an issue in my case.

Prints work as well as they did after handwashing the print sheets, so all in all, I'd say it was a success in my case. I will continue to clean this one particular print sheet in the dishwasher and see if a difference becomes apparent over time.

Note: I learned recently, thanks to Technology Connections, that american dish washers are supposed to be connected to hot water. This is not the case here, and I suspect the ability to also rinse with cold water help the print sheet clean up nicely.

EDIT: Textured print sheet from Prusa, by the way.

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[–] Fives@discuss.online 1 points 5 days ago (1 children)

Occasional cleaning in the dishwasher is probably fine, as long as it’s occasional. Dishwasher detergent contains enzymes that eat away at the food on your dishes. Just be sure and do it with a full load of dirty dishes, otherwise those enzymes will start eating away at whatever else is in the dishwasher. 

It’s why if you read the manual of your dishwasher, it will usually tell you to not rinse your dishes before putting them inside. Those enzymes need something to work on, and if there is no food for them to munch on, they will start munching on your glasses and dishes, dulling their finish. 

[–] AnyOldName3@lemmy.world 4 points 4 days ago (1 children)

Enzymes are specific to a particular molecule, or class of molecules with a particular pattern. A PEI buildplate is not getting eaten by the proteases in a dishwasher tablet. The reasons you're not supposed to rinse things before putting them in the dishwasher are:

  • most dishwashers have sensors to detect how much material is ending up in the water, and if things have been rinsed, it can mislead them into thinking the load is lighter than it really is.
  • dishwashers replace some of the dirty water part way through the load, and the enzymes are more soluble than the dirt, so if there's not much food residue for them to stick to, they can end up getting rinsed away part way through the cycle.
  • it uses water and your time to rinse the dishes first, which is a waste if it doesn't make them end up any cleaner.
[–] Fives@discuss.online 2 points 4 days ago

I’ll have to take your word for it. I’m just parroting what the dishwasher repair guy told me.