Final step before cutting your material is to draw out your final designs on paper. This will help show that your piece placement when packed is all good and sometimes reveal a little kink in one of your curves that you thought was OK. An extra node from trying to tweak the design just a little too much.
Things that are easy to fix before you cut your expensive covering. I noticed a little hesitation at the points of the inner white cutouts. An extra node making a microscopic W instead of a V.
A test drawing of a section of white parts.
One of those little mistakes due to an extra node off the main path.
Another test to make sure problem has been corrected. This is the white on top of the stabs.