I want to "engrave" a 1/8" wide x 6" long x 1/4" deep slot in wood


#1

So I am basically trying to make a cut slit, but not through the material, but only in it (think of this as a slot to mount an acrylic piece for display in).

I figure I can do a solid rectangle, then just keep playing with the speed and intensity till I get the proper depth; but is there a better way?


#2

That’s pretty much the only way to do it. Each wood is going to burn differently.

One thing that can help is to scrape the resins out between passes - there can be a lot deposited on the front edge, and it won’t burn away evenly unless you do. (I use a small chisel.)


#3

Stacked layers might be a better option?


#4

Use a plunge router, cut the template with the gf


#5


This tries many settings on a small bit of the wood. From that you can make a good guess what settings you can use.