In the past, you would have to make an oversized object in order to cut…
Vectorworks Tip #149 – 3D Modelling – Taper Face
Taper Face tool. This tool makes it really fast to edit your models when you want to taper the face of an object. In the past you had to change views and use the Split tool to do the same job as this tool. Now, you do not have to change the view, which makes it faster and easier to see what you are doing.