I'm finding my prints are coming out slightly undersize, if i scale up to 102% in slic3r it prints perfectly.
Is there something i can change in the config file to adjust? I'm assuming its a steps per mm thing, i remember setting something up when i first got it when running marlin on ramps (now running duet). I've been happy until now as ive not needed dimensional accuracy in larger parts, smaller parts obviously don't suffer anywhere as much.
Its a think3dPrint3d kossel with duet running dc42 firmware.
Thanks in advance.