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How to have the V0.2 automatically set Z offset when changing build sheets. (or maybe not so automatic)

Rusty105

Well-known member
So one of the main purposes of my V0.2 was to print parts for my other printers. I want to replace the PETG parts on my Switchwire with proper ASA/ABS parts, and print parts for the Trident 300 kit that was ordered. I am in no rush to build the Trident, it will be a Winter project for Feb/Mar 2025, or after the SW gets its new parts. I have printed some test parts already, and one inefficiency I can see is that I have to wait for the build sheet to cool down before I can release the ASA parts from the sheet. The build sheet is the Honey Badger Black Smooth PEI sheet, single sided. I want to be able to swap in a second sheet, same type, and start the next print. But how to get the Z offset correct? How can I automate the Z offset?

Thanks!
Rusty
 
This guy covers it for you. Personally, I ordered spare build plates so I have identical thickness when I exchange to keep things moving quickly.

 
thanks for the video. I did see that option, but was disappointed that the names are fixed and can only have four.

What I am really looking for is a way to set the sheet option from Klipper Screen, sort of like how Prusa does it with their build sheets. You can select what sheet you are using from the control screen at the printer.
 
You can write a macro to manually update the saved Z offset, likely by a "saved config" access to a [Variables] file. Just a guess there.

It would need to be manually pressed prior to every print, and care take when writing it so you base the offset from Zero, for example, not the prior offset, so you don't keep adding offset.

I don't know how to expose a macro to a specific button in KlipperScreen, other than through the macros list though.

Hope this helps to point you in the direction you want to go.
 
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