diff --git a/cob4-1/calibration/cameras/head_cam.yaml b/cob4-1/calibration/cameras/head_cam.yaml
new file mode 120000
index 0000000..537061d
--- /dev/null
+++ b/cob4-1/calibration/cameras/head_cam.yaml
@@ -0,0 +1 @@
+../../../cob4-2/calibration/cameras/head_cam.yaml
\ No newline at end of file
diff --git a/cob4-10/calibration/cameras/head_cam.yaml b/cob4-10/calibration/cameras/head_cam.yaml
new file mode 120000
index 0000000..dc541bb
--- /dev/null
+++ b/cob4-10/calibration/cameras/head_cam.yaml
@@ -0,0 +1 @@
+../../../cob4-7/calibration/cameras/head_cam.yaml
\ No newline at end of file
diff --git a/cob4-10/calibration/head_cam.yaml b/cob4-10/calibration/head_cam.yaml
deleted file mode 120000
index a5f3d08..0000000
--- a/cob4-10/calibration/head_cam.yaml
+++ /dev/null
@@ -1 +0,0 @@
-../../cob4-7/calibration/head_cam.yaml
\ No newline at end of file
diff --git a/cob4-1/calibration/head_cam.yaml b/cob4-2/calibration/cameras/head_cam.yaml
similarity index 100%
rename from cob4-1/calibration/head_cam.yaml
rename to cob4-2/calibration/cameras/head_cam.yaml
diff --git a/cob4-7/calibration/head_cam.yaml b/cob4-7/calibration/cameras/head_cam.yaml
similarity index 100%
rename from cob4-7/calibration/head_cam.yaml
rename to cob4-7/calibration/cameras/head_cam.yaml