add armenia week09

docs/Instruction/week09.md

 # 9. Molding and casting
 
+## Machine Building
+
+Possibly Collaborate with
+
+- [Dilijan (Dilijan, Armenia)](https://fabacademy.org/2022/labs/dilijan/)
+- Schedule
+    - Apr 06: mechanical design, machine design (Class)
+    - **Apr 09(Sat): local session**
+    - Apr 13: break (no class)
+    - **Apr 16(Sat): local session**
+    - Apr 20: input devices (1 min presentation)
+
+## nueval
+
+- Local evaluation
+
 ## Preparation for next week
 > **Output Devices**  
 > *group assignment:*  
@@ -57,9 +73,10 @@ Ref. [uf-nf-pf-capacitor-conversion-table](https://www.newark.com/uf-nf-pf-capac
 
 #### Servo motor
 
-
 #### DC motor
 
+ - Moter driver
+
 ### Preparation
 
 none
@@ -224,6 +241,11 @@ none
     - rough cut
     - finish cut
         - Stepover
+            - [class](https://vimeo.com/691508612#t=3810s)
+                - as little stepover as possible
+                - 10% may be good
+                - 50% still see features
+
 
 ```
 // mill 3D stl -> mill raster 3D node