To edit the layer name, click it in the dialog box, and enter a change.

IV_TANGENT

Bend extent lines.

IV_BEND

Bend centerlines for up bends.

IV_BEND_DOWN

Bend centerlines for down bends.

IV_TOOL_CENTER

Punch tool center marks for up punches.

IV_TOOL_CENTER_DOWN

Punch tool center marks for down punches.

IV_ARC_CENTERS

Arc center marks. Certain CNC machines require arc centers on a layer other than the profile layer.

IV_OUTER_PROFILE

Exterior outline geometry. Outline geometry defines a shadow boundary of the projected part.

IV_INTERIOR_PROFILES

Interior outline geometry. Outline geometry defines a shadow boundary of the projected part.

IV_FEATURE_PROFILES

Non outline visible edges.

IV_FEATURE_PROFILES_DOWN

Non outline edges invisible on the front face.

IV_ALTREP_FRONT

Punch alternative representation geometry for up punches.

IV_ALTREP_BACK

Punch alternative representation geometry for down punches.

IV_UNCONSUMED_SKETCHES

Visible, unconsumed sketch geometry placed on the front face of the sheet metal flat pattern. Text in the sketch is not exported. Both the Autoproject Edges during curve creation and Autoproject Edges for sketch creation and edit application options can add undesired geometry to your unconsumed sketch.Note: Unconsumed sketch geometry on the IV UNCONSUMED SKETCHES layer is automatically placed in By Sketch mode. Any specific color, line type, or lineweight assignments made to the sketch geometry are retained, and override the default IV UNCONSUMED SKETCHES layer properties.

IV_ROLL

Roll centerlines.

IV_ROLL_TANGENT

Roll extent lines.