diff --git a/typeface.py b/typeface.py
index df2bc4b..37140c4 100644
--- a/typeface.py
+++ b/typeface.py
@@ -13,6 +13,7 @@ from turtle import *
 from math import sqrt
 
 size=40
+diagonal=(size*sqrt(2))
 
 def draw_letter_a(unit):
     pass
@@ -21,7 +22,38 @@ def draw_letter_b(unit):
     pass
 
 def draw_letter_c(unit):
-    pass
+    penup()
+    forward(size*3)
+    pendown()
+    forward(size*4)
+    left(90)
+    forward(size*2)
+    left(90)
+    forward(size*3)
+    right(45)
+    forward(diagonal)
+    right(45)
+    forward(size*2)
+    right(45)
+    forward(diagonal)
+    right(45)
+    forward(size*3)
+    left(90)
+    forward(size*2)
+    left(90)
+    forward(size*4)
+    left(45)
+    forward(diagonal*2)
+    left(45)
+    forward(size*4)
+    left(45)
+    forward(diagonal*2)
+    penup()
+    right(135)
+    forward(size*3)
+    right(180)
+    pendown()
+
 
 def draw_letter_d(unit):
     penup()
@@ -29,13 +61,13 @@ def draw_letter_d(unit):
     pendown()
     forward(size*4)
     left(45)
-    forward(size*sqrt(2))
-    forward(size*sqrt(2))
+    forward(diagonal)
+    forward(diagonal)
     left(45)
     forward(size*4)
     left(45)
-    forward(size*sqrt(2))
-    forward(size*sqrt(2))
+    forward(diagonal)
+    forward(diagonal)
     left(45)
     forward(size*4)
     left(90)
@@ -50,11 +82,11 @@ def draw_letter_d(unit):
     right(90)
     forward(size)
     right(45)
-    forward(size*sqrt(2))
+    forward(diagonal)
     right(45)
     forward(size*2)
     right(45)
-    forward(size*sqrt(2))
+    forward(diagonal)
     right(45)
     forward(size)
     left(90)