Update README.md

README.md

@@ -32,6 +32,8 @@ https://www.youtube.com/watch?v=dS5kwdaNhZo
 
 ### Creasing Methods
 
+<img src='img/sheet-metal-bend.png' width=300px>
+
 * Press Brake
 * <a href='http://cba.mit.edu/tools/display/?type=tool&id=finger_brake#'>Finger Brake</a>
 * <a href='http://www.bbc.co.uk/staticarchive/c674c7d0cbfb7d03e3aacf3f50125a82ff4ed61b.gif'>Vice Bending</a>
@@ -54,7 +56,7 @@ https://www.youtube.com/watch?v=dS5kwdaNhZo
 	* <a href='https://www.youtube.com/watch?v=1aDN44__L9E'>tutorial (cardboard)</a>
 	* <a href='https://www.youtube.com/watch?v=UXNSlxXjzhk'>sheet metal gems part 1</a>
 	* <a href='https://www.youtube.com/watch?v=_CPkUqedqhA'>sheet metal gems part 2</a>
-* Rhinoceros 'UnrollSrf' Command
-* Solidworks sheet metal
-* 123D Make
-* ExactFlat
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+* <a href='http://docs.mcneel.com/rhino/5/help/en-us/commands/unrollsrf.htm'>Rhinoceros 'UnrollSrf' Command</a> to get <a href='http://www.instructables.com/id/Giant-Inflatable-Robot/'>patches</a>
+* <a href='http://www.solidworks.com/sw/products/3d-cad/sheet-metal-design.htm'>Solidworks sheet metal</a>
+* 123D Make (deprecated...)
+* <a href='https://www.exactflat.com/'>ExactFlat</a>
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