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diff --git a/sdk/extensions/authoring/include/NvBlastExtAuthoringCutout.h b/sdk/extensions/authoring/include/NvBlastExtAuthoringCutout.h
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+++ b/sdk/extensions/authoring/include/NvBlastExtAuthoringCutout.h
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+// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
+// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// Information and code furnished is believed to be accurate and reliable.
+// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
+// information or for any infringement of patents or other rights of third parties that may
+// result from its use. No license is granted by implication or otherwise under any patent
+// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
+// This code supersedes and replaces all information previously supplied.
+// NVIDIA Corporation products are not authorized for use as critical
+// components in life support devices or systems without express written approval of
+// NVIDIA Corporation.
+//
+// Copyright (c) 2016-2017 NVIDIA Corporation. All rights reserved.
+
+#ifndef NVBLASTAUTHORINGCUTOUT_H
+#define NVBLASTAUTHORINGCUTOUT_H
+
+#include "NvBlastExtAuthoringTypes.h"
+
+
+namespace Nv
+{
+namespace Blast
+{
+
+/**
+Interface to a "cutout set," used with chippable fracturing.  A cutout set is created from a bitmap.  The
+result is turned into cutouts which are applied to the mesh.  For example, a bitmap which looks like a brick
+pattern will generate a cutout for each "brick," forming the cutout set.
+
+Each cutout is a 2D entity, meant to be projected onto various faces of a mesh.  They are represented
+by a set of 2D vertices, which form closed loops.  More than one loop may represent a single cutout, if
+the loops are forced to be convex.  Otherwise, a cutout is represented by a single loop.
+*/
+class CutoutSet
+{
+public:
+	/** Returns the number of cutouts in the set. */
+	virtual uint32_t				getCutoutCount() const = 0;
+
+	/**
+	Applies to the cutout indexed by cutoutIndex:
+	Returns the number of vertices in the cutout.
+	*/
+	virtual uint32_t				getCutoutVertexCount(uint32_t cutoutIndex) const = 0;
+
+	/**
+	Applies to the cutout indexed by cutoutIndex:
+	Returns the number of loops in this cutout.
+	*/
+	virtual uint32_t				getCutoutLoopCount(uint32_t cutoutIndex) const = 0;
+
+	/**
+	Applies to the cutout indexed by cutoutIndex:
+	Returns the vertex indexed by vertexIndex.  (Only the X and Y coordinates are used.)
+	*/
+	virtual const physx::PxVec3&	getCutoutVertex(uint32_t cutoutIndex, uint32_t vertexIndex) const = 0;
+
+	/**
+	Applies to the cutout indexed by cutoutIndex:
+	Returns the number of vertices in the loop indexed by loopIndex.
+	*/
+	virtual uint32_t				getCutoutLoopSize(uint32_t coutoutIndex, uint32_t loopIndex) const = 0;
+
+	/**
+	Applies to the cutout indexed by cutoutIndex:
+	Returns the vertex index of the vertex indexed by vertexNum, in the loop
+	indexed by loopIndex.
+	*/
+	virtual uint32_t				getCutoutLoopVertexIndex(uint32_t cutoutIndex, uint32_t loopIndex, uint32_t vertexNum) const = 0;
+
+	/**
+	Applies to the cutout indexed by cutoutIndex:
+	Returns the flags of the vertex indexed by vertexNum, in the loop
+	indexed by loopIndex.
+	*/
+	virtual uint32_t				getCutoutLoopVertexFlags(uint32_t cutoutIndex, uint32_t loopIndex, uint32_t vertexNum) const = 0;
+
+	/**
+	Whether or not this cutout set is to be tiled.
+	*/
+	virtual bool					isPeriodic() const = 0;
+
+	/**
+	The dimensions of the fracture map used to create the cutout set.
+	*/
+	virtual const physx::PxVec2&	getDimensions() const = 0;
+
+	/** Serialization */
+	//virtual void			serialize(physx::PxFileBuf& stream) const = 0;
+	//virtual void			deserialize(physx::PxFileBuf& stream) = 0;
+
+	/** Releases all memory and deletes itself. */
+	virtual void					release() = 0;
+
+protected:
+	/** Protected destructor.  Use the release() method. */
+	virtual							~CutoutSet() {}
+};
+
+} // namespace Blast
+} // namespace Nv
+
+
+#endif // idndef NVBLASTAUTHORINGCUTOUT_H