molding-urethane.md

@@ -10,7 +10,7 @@ The method described in details here have been first introduced by [Cox *et al.*
 The full method is separated in three different steps. First, you have to make a rigid backing mold to, then make a soft mold in which you can cast your sample. In the following we go step by step through the method.  
 
 Making a backing mold for the mold of the sample
----------------------------
+------------------------------------------------
 
 The backing mold is nothing but the positive of your sample. You need it to cast the silicone mold that you will use to cast the urethane. Unfortunately, the urethane strongly sticks to almost everything (but the silicone we will use) so you definitely need this silicone mold. This means you need its backing mold. You cannot directly machine the urethane mold.
 
@@ -41,7 +41,7 @@ You can find all the safety and processing recommendations for Mold Star 15 Slow
 You need first to mix parts A and B in equal ratio to make the silicone. Recommendations are to mix it in equal ratio by volume. But it also works quite well in equal ratio by mass and since it is easier, that is this last way we will use here.
 
 You pour a certain mass of part B:
-![4MakeSilicon_1]('/uploads/e1540ceb75d1f548808cf69f7afaeb68/4MakeSilicon_1.JPG')
+![4MakeSilicon_1]('/uploads/e1540ceb75d1f548808cf69f7afaeb68/4MakeSilicon_1.JPG' 100x)
 
 You you add the same mass of part A:
 ![4MakeSilicon_1](/uploads/e1540ceb75d1f548808cf69f7afaeb68/4MakeSilicon_1.JPG)