Hello, i've read your topic with high interest. Steps/mm are effectively editable in um3.json, but do you know where are the Z speed limit and the jerk/acceleration ? I have done a lot of research and nobody talk about this very important topic. It could probably solve problems like this
Sorry for my bad English..
Edited by CyrilAC
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sparkix 1
Another thing to note... when using the ulitmaker account to login and change values. The changes are temporary and do not survive a power cycle. To make permanent changes, the values must be written to actual .json files.
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