@Menchen Thanks! I'm afraid what you suggest is still not enough. Not only because of the examples I posted above and the limitations you mention, but also because of the fact that opacity still has to determine the weighting of the blend. Let's say I have an opacity of 0 and the decal normal blends with the underlying…
==============================EDIT 2022-11-09============================== I'm cleaning up and consolidating a bunch of accounts, so the GitHub links in this thread will soon stop working. I have included my commits as patches attached to this post, so anyone still interested in this can take them and try to integrate…