correct object name

apps/cpu/TPMSRow/TPMSRow.cpp

@@ -177,10 +177,10 @@ void run(string configname)
         //////////////////////////////////////////////////////////////////////////
 
         if (newStart) {
-            GbImplicitSurfacePtr tpms;
+            GbGyroidThirdOrderPtr tpms;
             // tpms = GbImplicitSurfacePtr(new GbImplicitSurface(0, 0, 0, TPMSL[0], TPMSL[1], TPMSL[2], UnitEdgeLength,
             // dx));
-            tpms = GbImplicitSurfacePtr(new GbImplicitSurface(TPMSOrigin[0], TPMSOrigin[1], TPMSOrigin[2],
+            tpms = GbGyroidThirdOrderPtr(new GbGyroidThirdOrder(TPMSOrigin[0], TPMSOrigin[1], TPMSOrigin[2],
                                                               TPMSOrigin[0] + TPMSL[0],
                                                               TPMSOrigin[1] + TPMSL[1],
                                                               TPMSOrigin[2] + TPMSL[2],