Subtract

Works with Bricscad (Windows) Pro

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:  Modify | 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 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.