diff --git a/materials.py b/materials.py
new file mode 100644
index 0000000..2f5227b
--- /dev/null
+++ b/materials.py
@@ -0,0 +1,4 @@
+m_empty = {'E': 1.0E-20, 'NU': 0.0}
+m_matrix = {'E': 29e2, 'NU': 0.4} # Carbon
+m_fibers = {'E': 28e4, 'NU': 0.2} # Carbon
+