Relative cutting depth

Is there any kind of a space holder for stock thickness? With some slightly different stocks I wojld like to cut the same structures, and always have to calculate the depths of the cuts from scratch.

Would be nice to have an expression with d=depth saying d-5 goes to a depth 5mm less than the stock thickness (“Max Depth” in CC).

Is there such an expression? And if so, are there more spaceholders, and where to find those?

TY!

Yes, as far as I know there are:
h
w
t
for height, width and thickness, respectively.

So you would use a depth of t-5 in the Max Depth field.

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Wrote a bit about this at:

and see the linked post:

I will spare everyone the bad Star Trek joke/reference (it was deleted last time) and simply note that the support for Variables is limited at this time, but may (or may not) improve in future versions.

Folks who find themselves limited may want to consider using a 3rd party tool such as a front-end — I’ve done that myself as at: