diff --git a/materials/sources/draft-Fe-BCC.poscar b/materials/sources/draft-Fe-BCC.poscar
new file mode 100644
index 00000000..42b962ff
--- /dev/null
+++ b/materials/sources/draft-Fe-BCC.poscar
@@ -0,0 +1,12 @@
+Fe4
+1.0
+    3.645700 0.000000 0.000000
+    0.000000 3.645700 0.000000
+    0.000000 0.000000 3.645700
+Fe
+4
+direct
+    0.000000 0.000000 0.000000 Fe
+    0.000000 0.500000 0.500000 Fe
+    0.500000 0.000000 0.500000 Fe
+    0.500000 0.500000 0.000000 Fe
diff --git a/materials/sources/draft-FeSe-Layer.poscar b/materials/sources/draft-FeSe-Layer.poscar
new file mode 100644
index 00000000..5961c5c1
--- /dev/null
+++ b/materials/sources/draft-FeSe-Layer.poscar
@@ -0,0 +1,12 @@
+FeSe
+1.0
+   3.867000000	   0.000000000	   0.000000000
+   0.000000000	   3.867000000	   0.000000000
+   0.000000000	   0.000000000	   5.120000000
+Fe Se
+2 2
+direct
+   0.250000000    0.000000000    0.311046000 Fe
+   0.750000000    0.000000000    0.063046000 Fe
+   0.750000000    0.500000000    0.437046000 Se
+   0.250000000    0.500000000    0.937046000 Se