I keep getting rounded cover corners when doing inlays on my lead 1515 with z height mod. What is causing this?!?
Is the material a uniform thickness? How are you determining the Z zero point? Is your spoil board surfaced and parallel to the gantry?
Zeroed on top the wood, or the spoil board? I usually zero on the spoil board for everything except V carves because issues like this arise if the material is not the thickness it is expected to be. Also, as Peter said: