In microvellum, you can add multiple sheets sizes to a material and then use optimization priority to tell it to only nest a part on a size if the part wouldn't fit on another size first. This is great if you wanted to, for example, only use 4x8 material unless you absolutely needed a 5x8 or 4x10 or something else.

That being said, I often have nests where the last few sheets could have better yields if they were 5x8 instead of 4x8 even if the parts fit on 4x8. This is usually a result of tall cabinet sides. What if you could set a yield threshold in addition to the optimization priority. Basically it will try to nest your first sheet lets say a 4x8 and then look at the yield. if the yield is less than some limit you have plugged in it will try the next sheet size.

You might be thinking, why not just let microvellum optimize for the very best yield on whatever sizes are available. 4x8 just works better for us and unless there is substantial yield benefit this is what we would prefer to use.

Did i explain my concept well or do i need to go into more detail?