Update vertical.md

vertical.md

@@ -8,7 +8,7 @@ We decided to build a disposable PETG isolation box for that propose with a comp
 <img src="img/cadvertical.png" alt="LAttice" width="900" >
 
 
-The design is based in a curve creased technique called Hot Gluing. Given two arbitrary 1 curvature surfaces, even if they have taper, its intersection will  be foldable in two individual pieces as they share length of perimeter, given by its intersection.
+The design is based in a curve creased technique called Smooth Gluing. Given two arbitrary 1 curvature surfaces, even if they have taper, its intersection will  be foldable in two individual pieces as they share length of perimeter, given by its intersection.
 
 Then I did the proper Zund layout and added some curved creases on the chest to provide stability and a clamping forze that make the helmet much more stable.