diff --git a/docs/assignments/week09.md b/docs/assignments/week09.md
index 07493e53efe12f8e4f34aac391e2bb0c87351010..3eb442b5ffc970a4980ee79320d966ccb71205d8 100644
--- a/docs/assignments/week09.md
+++ b/docs/assignments/week09.md
@@ -115,10 +115,16 @@ Note: This setting only works for **GREEN** TPU. (We later noticed that differen
 
 #### **1ST SAMPLE**
 
+For lasercutting tpu, I decided to do a series of flowers. I designed the patterns on Rhino.
+
 ![FLOWER](../images/week09/flower1.jpg){ width=1000}
 
+**PROCESS**
+
 ![process](../images/week09/process1.jpg){ width=1000}
 
+Since it's quite big in size I used an air pump to inflate it. The TPU expands and makes the patterns look more 3D. But the air doesn't pass through some narrow parts that well.
+
 ![INFLATABLE](../images/week09/inflatable2.jpg){ width=1000}
 
 You can download the fabrication file here [^1].
@@ -127,8 +133,14 @@ You can download the fabrication file here [^1].
 
 ![FLOWER](../images/week09/flower2.jpg){ width=1000}
 
+For the second one I left more space for the air to pass through. 
+
+**PROCESS**
+
 ![INFLATABLE](../images/week09/inflatable1.jpg){ width=1000}
 
+In result, more air passing through gives some more obvious movements to the tpu when inflated, and it slightly bends in the middle.
+
 <div style="padding:107.24% 0 0 0;position:relative;"><iframe src="https://player.vimeo.com/video/886855994?badge=0&amp;autopause=0&amp;quality_selector=1&amp;player_id=0&amp;app_id=58479" frameborder="0" allow="autoplay; fullscreen; picture-in-picture" style="position:absolute;top:0;left:0;width:100%;height:100%;" title="INFLATABLE"></iframe></div><script src="https://player.vimeo.com/api/player.js"></script>
 
 You can download the fabrication file here [^2].