static estimateBytesUsed( geometry ) {

			// Return the estimated memory used by this geometry in bytes
			// Calculate using itemSize, count, and BYTES_PER_ELEMENT to account
			// for InterleavedBufferAttributes.
			let mem = 0;

			for ( const name in geometry.attributes ) {

				const attr = geometry.getAttribute( name );
				mem += attr.count * attr.itemSize * attr.array.BYTES_PER_ELEMENT;

			}

			const indices = geometry.getIndex();
			mem += indices ? indices.count * indices.itemSize * indices.array.BYTES_PER_ELEMENT : 0;
			return mem;

		}
@param {Array<BufferGeometry>} geometry
@return {number}