sg000

Yes, good point, but in this particular case, my "inner" layers are truely that except for 1, and its this layer that I'd like to be extruded normally and not with the skin setting. So I ended up merging 2 files worth of gcode. The code for no skin as the base of the file and then the last 2 layers from the file with the skin. Works almost flawlessly except for a tiny blob at the layer start which I think can be attributed to the relative vs absolute mentioned in the other comment. A little tweak and it'll be perfect. --Scott

Thats a huge help! I hadn't taken that into consideration. Thank you so much!

So I just did an experiment. Ver 4.2.1. I sliced 2 ways, the ONLY setting change is "Top surface skin layers" set to 1. What I found was that the extrusion amounts are slightly higher for ALL commands above the first skin layer with the setting on for all the NON-top-skin layers. (E1187.42799 vs E1139.49951) And its exactly the same amount each time for a number of layers, 47.92848. Not much, but curious why this would be. Shouldn't the setting have no effect on any of the completely internal layers? It didn't affect the bottom most layers.