Basically, yes. The inlay is glued onto the material to be inlayed and carefully scribed around, then removed. The scribed lines are chalked and then routed. After the inlay is set, any little gaps are filled. I use epoxy and tempra powder. A little fill is acceptable for replica instruments. I believe you can get the full size outlines, but the inlays are some of the only ones that are still handcut, so there are variances to contend with. I have used Andy's inlays for years, and they make beautiful authentic looking inlays for replica instruments.
The shell cutters in Vietnam are unbelievably good, and for the type of work I do, CNC cut inlays are just plain ugly.
