diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..8fd4398
Binary files /dev/null and b/.DS_Store differ
diff --git a/model_seg_rat_axon-myelin_sem/data_test/README.txt b/model_seg_rat_axon-myelin_sem/data_test/README.txt
new file mode 100644
index 0000000..904b821
--- /dev/null
+++ b/model_seg_rat_axon-myelin_sem/data_test/README.txt
@@ -0,0 +1,5 @@
+data15:
+* Rat spinal cord (cervical)
+* 0.13 micrometer pixel size
+* FOV = 150x97 micrometer squared
+* Tissue preparation: 3% paraformaldehyde - 3% glutaraldehyde 
diff --git a/model_seg_rat_axon-myelin_sem/data_test/image.png b/model_seg_rat_axon-myelin_sem/data_test/image.png
new file mode 100644
index 0000000..26053c9
Binary files /dev/null and b/model_seg_rat_axon-myelin_sem/data_test/image.png differ
diff --git a/model_seg_rat_axon-myelin_sem/data_test/mask.png b/model_seg_rat_axon-myelin_sem/data_test/mask.png
new file mode 100644
index 0000000..4689036
Binary files /dev/null and b/model_seg_rat_axon-myelin_sem/data_test/mask.png differ
diff --git a/model_seg_rat_axon-myelin_sem/data_test/pixel_size_in_micrometer.txt b/model_seg_rat_axon-myelin_sem/data_test/pixel_size_in_micrometer.txt
new file mode 100644
index 0000000..f304084
--- /dev/null
+++ b/model_seg_rat_axon-myelin_sem/data_test/pixel_size_in_micrometer.txt
@@ -0,0 +1 @@
+0.13