diff --git a/precheck/tech_data.py b/precheck/tech_data.py
index 88a1493..3ae78af 100644
--- a/precheck/tech_data.py
+++ b/precheck/tech_data.py
@@ -55,21 +55,23 @@ valid_layers_sky130A = [
 ]
 
 valid_layers_ihp_sg13g2 = [
-    "Substrate.drawing", "Substrate.text", "Activ.drawing", "Activ.label", "Activ.pin", "GatPoly.drawing", "GatPoly.label",
-    "GatPoly.pin", "PolyRes.drawing", "PolyRes.label", "PolyRes.pin", "NWell.drawing", "NWell.label", "NWell.pin",
-    "nBuLay.drawing", "nBuLay.label", "nBuLay.pin", "nBuLay.block", "PWell.block", "pSD.drawing", "nSD.drawing",
-    "nSD.block", "SalBlock.drawing", "ThickGateOx.drawing", "Cont.drawing", "Metal1.drawing", "Metal1.label", "Metal1.pin",
-    "Metal1.text", "Metal1.res", "Via1.drawing", "Metal2.drawing", "Metal2.label", "Metal2.pin", "Metal2.text",
-    "Metal2.res", "Via2.drawing", "Via2.net", "Via2.boundary", "Metal3.drawing", "Metal3.label", "Metal3.pin",
-    "Metal3.text", "Metal3.res", "MIM.drawing", "Vmim.drawing", "Via3.drawing", "Metal4.drawing", "Metal4.label",
-    "Metal4.pin", "Metal4.text", "Metal4.res", "Via4.drawing", "Metal5.drawing", "Metal5.label", "Metal5.pin",
-    "Metal5.text", "Metal5.res", "TopVia1.drawing", "TopMetal1.drawing", "TopMetal1.label", "TopMetal1.pin",
-    "TopMetal1.text", "TopMetal1.res", "IND.drawing", "IND.pin", "IND.boundary", "IND.text", "TEXT.drawing",
-    "Recog.drawing", "Recog.pin", "Recog.esd", "Recog.diode", "Recog.tsv", "Recog.pdiode", "Recog.mom", "DigiBnd.drawing",
-    "DigiBnd.drawing0", "RES.drawing", "RES.label", "SRAM.drawing", "SRAM.label", "SRAM.boundary", "DigiSub.drawing",
-    "HeatRes.drawing", "NoRCX.drawing", "NoRCX.m2m3", "NoRCX.m2m4", "NoRCX.m2m5", "NoRCX.m2tm1", "NoRCX.m2tm2",
-    "NoRCX.m3m4", "NoRCX.m3m5", "NoRCX.m3tm1", "NoRCX.m3tm2", "NoRCX.m4m5", "NoRCX.m4tm1", "NoRCX.m4tm2", "NoRCX.m5tm1",
-    "NoRCX.m5tm2", "NoRCX.tm1tm2", "NoRCX.m1sub", "NoRCX.m2sub", "NoRCX.m3sub", "NoRCX.m4sub", "NoRCX.m5sub",
+    "Substrate.drawing", "Substrate.text", "Activ.drawing", "Activ.label", "Activ.nofill", "Activ.pin", "GatPoly.drawing",
+    "GatPoly.label", "GatPoly.nofill", "GatPoly.pin", "PolyRes.drawing", "PolyRes.label", "PolyRes.pin", "NWell.drawing",
+    "NWell.label", "NWell.pin", "nBuLay.drawing", "nBuLay.label", "nBuLay.pin", "nBuLay.block", "PWell.block",
+    "pSD.drawing", "nSD.drawing", "nSD.block", "SalBlock.drawing", "ThickGateOx.drawing", "Cont.drawing", "Metal1.drawing",
+    "Metal1.label", "Metal1.nofill", "Metal1.pin", "Metal1.slit", "Metal1.text", "Metal1.res", "Via1.drawing",
+    "Metal2.drawing", "Metal2.label", "Metal2.nofill", "Metal2.pin", "Metal2.slit", "Metal2.text", "Metal2.res",
+    "Via2.drawing", "Via2.net", "Via2.boundary", "Metal3.drawing", "Metal3.label", "Metal3.nofill", "Metal3.pin",
+    "Metal3.slit", "Metal3.text", "Metal3.res", "MIM.drawing", "Vmim.drawing", "Via3.drawing", "Metal4.drawing",
+    "Metal4.label", "Metal4.nofill", "Metal4.pin", "Metal4.slit", "Metal4.text", "Metal4.res", "Via4.drawing",
+    "Metal5.drawing", "Metal5.label", "Metal5.nofill", "Metal5.pin", "Metal5.slit", "Metal5.text", "Metal5.res",
+    "TopVia1.drawing", "TopMetal1.drawing", "TopMetal1.label", "TopMetal1.nofill", "TopMetal1.pin", "TopMetal1.slit",
+    "TopMetal1.text", "TopMetal1.res", "TopMetal2.nofill", "IND.drawing", "IND.pin", "IND.boundary", "IND.text",
+    "TEXT.drawing", "Recog.drawing", "Recog.pin", "Recog.esd", "Recog.diode", "Recog.tsv", "Recog.pdiode", "Recog.mom",
+    "DigiBnd.drawing", "DigiBnd.drawing0", "RES.drawing", "RES.label", "SRAM.drawing", "SRAM.label", "SRAM.boundary",
+    "DigiSub.drawing", "HeatRes.drawing", "NoRCX.drawing", "NoRCX.m2m3", "NoRCX.m2m4", "NoRCX.m2m5", "NoRCX.m2tm1",
+    "NoRCX.m2tm2", "NoRCX.m3m4", "NoRCX.m3m5", "NoRCX.m3tm1", "NoRCX.m3tm2", "NoRCX.m4m5", "NoRCX.m4tm1", "NoRCX.m4tm2",
+    "NoRCX.m5tm1", "NoRCX.m5tm2", "NoRCX.tm1tm2", "NoRCX.m1sub", "NoRCX.m2sub", "NoRCX.m3sub", "NoRCX.m4sub", "NoRCX.m5sub",
     "NoRCX.tm1sub", "Varicap.drawing", "EXTBlock.drawing", "prBoundary.drawing", "prBoundary.label", "prBoundary.boundary",
     "isoNWell.drawing",
 ]