Subtract

Pro, Platinum Pro, Platinum Pro, Platinum

Performs Boolean subtraction operations on 3D solids and 2D regions; removes one from the other.

Accessing the Command

command bar:  subtract

alias:  su

menu bar:  Model | 3D Solid Editing | Subtract

toolbar:  Solid Editing |

: subtract

Prompts you in the command bar:

Select ACIS object to subtract from: (Choose the first set of one or more 3D solids and/or 2D regions.)

Entities in set: 1

Select ACIS object to subtract from: (Choose more ACIS entities, or press Enter to continue.)

Select ACIS objects to subtract: (Choose the second set of one or more 3D solids and/or 2D regions.)

Entities in set: 1

Select ACIS objects to subtract: (Choose more ACIS entities, or press Enter to continue.)

The DELETETOOL system variable controls whether the subtracted entities (tools) are deleted or retained.

The result depends on the order in which ACIS entities are selected.

• Select the sphere, and then subtract the cylinder:

• Select the cylinder, and then subtract the sphere:

This command also applies to regions:

Command Options

Related Commands

Extrude - extrudes 2D entities into 3D solid models.

Interfere - creates 3D volumes of intersecting 3D solid models.

Intersect - removes volumes not in common between two solid models.

Revolve - revolves 2D entities into 3D solid models.

Slice - cuts 3D solids into two parts.

SolidEdit - edits the bodies, faces, and edges of 3D models.

Union - performs Boolean union operations on 3D solids and 2D regions; adds one to another to form a single entity.