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Exterior Overcut on V-Grooves

The V-Groove Exterior Overcut (red arrow) is where the cut continues into the corner before retracting the blade from the matboard on the outside cut of the V-Groove.

Exterior Cuts cut into the matboard, not the fallout of the openingV-Groove.

V-Groove Cut Direction and Cut Order

The inside of the V-Groove cuts first in a clockwise direction. These are internal cuts, which cut into the V-Groove fallout.

The outside of the V-Groove cuts second in a counter-clockwise direction. These are external cuts, which cut into the matboard.

The Exterior Overcut is part of the second pass.

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Red Arrow on the Configuration Map

The V-Groove Exterior Overcut, which is part of the outside cut of the V-Groove, is displayed on the V-Groove Configuration Map as a red arrow.

Check against the Configuration Map of the V-Groove you are cutting to determine specifically which cuts are the Exterior Overcuts.

Exterior Cuts, such as rectangles, cut into the matboard, not the fallout of the openingV-Groove.

V-Groove Exterior Overcut too Short

If the Exterior Overcut retracts the blade too soon, it makes the exterior overcut too short on the outside cut of the V-Groove.

Increase the Exterior Overcut.

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V-Groove Interior Overcuts

For an Interior Overcut where the blade comes out of the V-Groove fallout instead of the matboard, see V-Groove Interior Overcut.