Remove last graphical constraint
You can use this function to remove the last constraint that you applied to the block model.
To run this function: Choose Block model > Constraints > Remove last graphical constraint, or...
Result
The last constraint that you applied to the block model is removed. If you had previously applied other constraints, these are still applied. If the block model is currently displayed in Graphics, the block model is displayed without the last constraint, but with any previously-applied constraints.