Blender CAM

fma

Hi!

My cousin bough a used CNC which is running with a Duet2 board.

As he knows Blender very well, he would like to use Blender CAM, which does not output GCode for RRF. Which machine should he use, from this list:

Iso
Mach3
LinuxCNC
Fadal
Heidenhain (530, TNC151)
Sieg KX1
Hafco HM-50
Centroid M40
Anilam Crusader M
Gravos
WinPC-NC
ShopBot MTC
Lynx Otter o

Is GRBL ok?

Thanks.

fma

Mmm, Blender CAM generates strange G-Code:

G0X0Y0Z10
X3.477Y3.144
G1Z0F500
G0Z10
X3.666Y3.004
G1Z0
G0Z10
X3.868Y2.883
G1Z0
G0Z10
X4.081Y2.782
G1Z0
G0Z10
X4.303Y2.703
G1Z0
G0Z10
X4.531Y2.646
G1Z0
G0Z10
X4.764Y2.611
G1Z0
G0Z10
X4.999Y2.599
G1Z0
G0Z10
X5.235Y2.611

For lines only containing X/Y coords, G-Code simulators use the previous command (G0, here), but RRF does not seem to understand such lines... Do you confirm?

droftarts

@fma for that, RRF needs to be in CNC mode. See M453: https://docs.duet3d.com/en/User_manual/Reference/Gcodes#m453-select-cnc-device-mode

In CNC mode, it is valid in a Gcode file to send G0 or G1 on one line, and then just send co-ordinates on the following lines.

It appears to have been supported since RRF 1.x/2.x. Check what version is on the Duet with M115.

Ian

fma

@droftarts Thanks. I'll ask my cousin to check.
In the meantime, he tested the ISO prostprocessor, which seems to work fine.