diff --git a/geometry/estia_cave.i b/geometry/estia_cave.i
index 8715898..faa76c6 100644
--- a/geometry/estia_cave.i
+++ b/geometry/estia_cave.i
@@ -106,7 +106,8 @@ c wall level air
 210533   4 -1.2e-3   100059 -210102    208709 -210500   208312  210131
 210534   4 -1.2e-3   100059 -210103    210116 -210118  -210131 -210137  210322
 210535   4 -1.2e-3   100059 -210103    208709 -210118  (210121:210134)  208721
-210536   4 -1.2e-3   100059 -210102   -208642 -210115   210132 -210135 #209900 #210609
+210536   4 -1.2e-3   100059 -210102   -208642 -210115   210132 -210135 
+                     #209900 #210609
 210537   4 -1.2e-3   100059 -210102    210115 -210117   210137 -210135
                      #(210115 -210116 -210371) 210321
 210538   4 -1.2e-3   100059 -210102    208709  208642  -210131  210122 -210135
@@ -145,15 +146,19 @@ c ceiling stones from upstream to downstream
 210609  50 0.074981  210127 -210102   210132 -210135
                      210120 -210126
 c Access hatch items
-210611  54 0.0833854 210103 -210104   210105 -210106    210139 -210140
+210611  54 0.0833854 ((210103 -210104   210105 -210106    210139 -210140):
+                      (210446 -210104   210447 -210448    210444 -210139)) 
+                      #(210443 -210140 210445 -210415 210441 -210442)
+                      #(210443 -210139 210445 -210415) 
 210612  54 0.0833854 210103 -210104   210105 -210106    210140 -210414
                      #(-210415        210411 -210412   -210413)
-210613  54 0.0833854 210103 -210131 ((-210421   -210424):
-                              (-210422   -210425):
+210613  54 0.0833854 210103 -210131 ((-210421   -210424 210411 -210412):
+                              (-210422   -210425 210411 -210412):
                               (-210423   -210426))
                      #(210105 -210106    210139 -210414)
 210621  17  -1.36     210103  -210415   210411  -210412  210140 -210413
                     #(210431  -210432   210433  -210434 -210435)
+                    #(-210433 210445 -210415 210441 -210442)
 c
 c
 c visualize ESS 2m source term (comment for real runs)
diff --git a/geometry/estia_surfaces.i b/geometry/estia_surfaces.i
index 6b6b5ea..05f2988 100644
--- a/geometry/estia_surfaces.i
+++ b/geometry/estia_surfaces.i
@@ -807,6 +807,15 @@ c  Hatch MirroBor layer (2mm)
 210433  py        -101.419 
 210434  py         108.181 
 210435  pz         264.801 
+c  Hatch SEE Chicane
+210441  px         3498.796
+210442  px         3548.796
+210443  py         -141.619  
+210444  py         -151.619
+210445  pz          235.001
+210446  pz          225.001
+210447  px         3478.796
+210448  px         3568.796
 c             
 c  Shared Wall           
 210500  px        3629.979 
diff --git a/results/e2-estia_cave_est_v3-6-g72a48e9.mct.gz b/results/e2-estia_cave_est_v3-6-g72a48e9.mct.gz
new file mode 100644
index 0000000..0acec95
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diff --git a/results/e2-estia_cave_est_v3-6-g72a48e9.out.gz b/results/e2-estia_cave_est_v3-6-g72a48e9.out.gz
new file mode 100644
index 0000000..3897363
Binary files /dev/null and b/results/e2-estia_cave_est_v3-6-g72a48e9.out.gz differ