Trying to get this to work

examples/magnet/toroid.geo

 //Extrude Surface {50, {0,1,0}, {-tl,0,0}, 2*Pi/3}; //{Layers{10,73,1};};
 
 /* Make a list of a ring (annulus) of surfaces around the hole */
-allParts[] = {tv1[0], tv2[0], tv3[0]};
+//allParts[] = {tv1[1], tv2[1], tv3[1]};
 
 /* Make surfaces to be meshed by transfinite algorithm */
 //Transfinite Surface {allParts[]};
 v[] = Extrude {0, 0, Z1-Z0} { Surface{bs}; };
 
 /* This is GOOD */
-Surface{ allParts } In Volume{v[1]};
+//Surface{ allParts[1] } In Volume{v[1]};
+Surface{ ps } In Volume{v[1]};
 //Surface{t1[0]} In Volume{v[1]};
 //Surface{t2[0]} In Volume{v[1]};
 //Surface{t3[0]} In Volume{v[1]};