Platform Offset
Does anyone know what and how the platform offset works? This is an option under Platform and Resin Tank.
There is a positive and negative number for the offset. I am unsure if the directions are defined like the Slicer's directions of the World Coordinates
There is very limited information on the settings for SLA! can someone from Prusa help with this?
Offset
Hi FG's,
I'm also not 100% sure about the offset setting. This is what I found: in their source code for the firmware, the developers added the comment: "Adjustment of zero on the tower axis" for the offset. If I see it correctly, it adjusts the tower height just before starting the print (but after going to a "starting position" which is/might be unaffected by the offset). Positive values give more space between LCD/FEP and platform (meaning platform will move up), while negative values bring it closer to the bottom. Default at +50µm. The values are limited between -500 and 500µm.
I hope this helps...
Offset and question regarding adding a plate to the platform
Hi,
I think an offset was used in this study:
A related question: I want to fix a plate of PMMA (e.g. 3 mm thick) to the platform and then try to print onto this PMMA plate. Can I calibrate my printer (Sl1 upgraded to SL1S) with such an "added plate" or will I break the LCD?
Re: Offset and question regarding adding a plate to the platform
I only scanned through your linked study, but didn't directly see where they used an offset.
Anyhow, it is not possible with the current official firmware to have a 3mm offset from the side of the software. What you could try, is to attach the PMMA plate and start the calibration of the printer again. There, you have to loosen the screw(s) holding the platform which will give you some freedom in the height. Still, I don't know, if it will give you 3mm (or maybe 2.5mm+500µm from the software offset setting, but I doubt it). Of course, you should check the clearance from the calibration first, because otherwise, as you wrote, it might break your LCD.