MVert *mvert2;
	MFace *mface2;
	int a = 0;

	result = CDDM_new(numverts, 0, numtris + 2*numquads);

	mvert2 = CDDM_get_verts(result);
	for(a=0; a<numverts; a++) {
		MVert *mv = &mvert2[a];
		VECCOPY(mv->co, mvert[a].co);
	}


	mface2 = CDDM_get_faces(result);
	for(a=0; a<(numtris + numquads*2); a++) 
	{
		MFace *mf = &mface2[a];
		mf->v1 = mface[a].v1;
		mf->v2 = mface[a].v2;
		mf->v3 = mface[a].v3;
		mf->v4 = 0;
		test_index_face(mf, NULL, 0, 3);

		if(mface[a].v4) // if i comment this part out, then it doesn't crash
		{
			a++;
			mf = &mface2[a];
			mf->v1 = mface[a-1].v3;
			mf->v2 = mface[a-1].v4;
			mf->v3 = mface[a-1].v1;
			mf->v4 = 0;
			test_index_face(mf, NULL, 0, 3);
		}
	}


	CDDM_calc_edges(result);
	CDDM_calc_normals(result);