Fusion 360 Posting Multiple Toolpaths

[neilferreri (Neil Ferreri Ω)]

There’s a link to a more polished version here:

CNCJS Hitting Hard Stop on M6

The tool change is not the issue. It is this line: G28 G91 Z0 That is telling the machine to go to your Z axis G28 position (which I’m guessing you haven’t set). The Error 38 is because of the tool number, 603, as the default max value for grbl is 255. Here’s a link to my post processor. https://a360.co/2PPwJrT Gives the option to use G28 (default no), and it gives the option to Use Tools (default yes), along with some other User-Defined options. [image] In CNCjs, the M6 will pause the …