diff --git a/docs/Weekly_Group_Assignments/week04.md b/docs/Weekly_Group_Assignments/week04.md
index cbeaf4487f67b9ba925281ea2da1793c05199e55..80a7145b2269fca06201cf48e1fc35b91078ca55 100644
--- a/docs/Weekly_Group_Assignments/week04.md
+++ b/docs/Weekly_Group_Assignments/week04.md
@@ -139,11 +139,9 @@ Fix PCB on workplace by double-coated adhesive tape and set endmill at the heade
Adjust the position to the grinding position and Push “Zero allâ€
-
Caution: When aligning the Z, I put a paper between the ground and the endmill to fine-tune the needle position. Lower the header until the paper tears.
-
Set the header position as Zero. and Push “Start Jobâ€
diff --git a/docs/Weekly_Group_Assignments/week05.md b/docs/Weekly_Group_Assignments/week05.md
index 229ce83f60ccbb939bfb04a487cd82f9f936fa6e..957169a61bd3dd4b83ae4b421836237d490fe579 100644
--- a/docs/Weekly_Group_Assignments/week05.md
+++ b/docs/Weekly_Group_Assignments/week05.md
@@ -1,61 +1,143 @@
# 5. 3D Scanning and printing
-This week I worked on defining my final project idea and started to getting used to the documentation process.
+## Instruction
-## Research
+**Group Assignment**
-"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."
+- test the design rules for your 3D printer(s)
+- Document your work and explain what are the limits of your printer(s) (in a group or individually)
+- Document your work to the group work page and reflect on your individual page what you learned
-> "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."
+**Individual Assignment**
-## Useful links
+- [here](https://fabacademy.org/2022/labs/kannai/students/yukiya-yamane/assignments/week05/)
-- [Jekyll](http://jekyll.org)
-- [Google](http://google.com)
-- [Markdown](https://en.wikipedia.org/wiki/Markdown)
+## What I did in Week5
-## Code Example
+1. Test the 3D Printer : Angle, Overhang, Bridge, Wall-thickness, hole test → In this page
+2. Design and 3D print an object → [individual page](https://fabacademy.org/2022/labs/kannai/students/yukiya-yamane/assignments/week05/)
+3. 3D scan an object, try to prepare it for printing → [individual page](https://fabacademy.org/2022/labs/kannai/students/yukiya-yamane/assignments/week05/)
-Use the three backticks to separate code.
+## The 3D Printer we used : Creality [Ender-3 V2](https://www.creality.com/goods-detail/ender-3-v2-3d-printer)
-```
-// the setup function runs once when you press reset or power the board
-void setup() {
- // initialize digital pin LED_BUILTIN as an output.
- pinMode(LED_BUILTIN, OUTPUT);
-}
+
-// the loop function runs over and over again forever
-void loop() {
- digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level)
- delay(1000); // wait for a second
- digitalWrite(LED_BUILTIN, LOW); // turn the LED off by making the voltage LOW
- delay(1000); // wait for a second
-}
-```
+**Technical Specifications (**Ender-3 V2 FDM 3D Printer Properties)
-## Gallery
+| index | Technical Specifications |
+| ------------------- | -------------------------------------- |
+| Modeling Technology | FDM（Fused Deposition Modeling） |
+| Printing Size | 220x220x250mm |
+| Filament | PLA/TPU/PETG |
+| Working Mode | Online or SD card offline |
+| Supported OS | MAC/WindowsXP/7/8/10 |
+| Filament Diameter | 1.75mm |
+| Slicing Software | Simplify3d/Cura |
+| Machine Size | 475x470x620mm |
+| Product Weight | 7.8KG |
+| Package Weight | 9.6KG |
+| Power Supply | Input AC 115V/230V; Output DC 24V 270W |
+| Layer Thickness | 0.1-0.4mm |
+| Print Precision | ±0.1mm |
+| Hotbed Temperature | ≤100° |
-
+### Angle Test
-## Video
+[gcode](https://fabacademy.org/2022/labs/kannai/Instruction/images/week06/angle.gcode)Â
-### From Vimeo
+Printed by 3d Printer
-<iframe src="https://player.vimeo.com/video/10048961" width="640" height="480" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>
-<p><a href="https://vimeo.com/10048961">Sound Waves</a> from <a href="https://vimeo.com/radarboy">George Gally (Radarboy)</a> on <a href="https://vimeo.com">Vimeo</a>.</p>
+
-### From Youtube
+
-<iframe width="560" height="315" src="https://www.youtube.com/embed/jjNgJFemlC4" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>
+**Angle test conclusion:**
-## 3D Models
+Angles greater than 30 degrees CAN be printed fine.
-<div class="sketchfab-embed-wrapper"><iframe width="640" height="480" src="https://sketchfab.com/models/658c8f8a2f3042c3ad7bdedd83f1c915/embed" frameborder="0" allow="autoplay; fullscreen; vr" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe>
+20 is borderline, and Angles less than 20 degrees CANNOT be printed fine.
-<p style="font-size: 13px; font-weight: normal; margin: 5px; color: #4A4A4A;">
- <a href="https://sketchfab.com/models/658c8f8a2f3042c3ad7bdedd83f1c915?utm_medium=embed&utm_source=website&utm_campaign=share-popup" target="_blank" style="font-weight: bold; color: #1CAAD9;">Dita's Gown</a>
- by <a href="https://sketchfab.com/francisbitontistudio?utm_medium=embed&utm_source=website&utm_campaign=share-popup" target="_blank" style="font-weight: bold; color: #1CAAD9;">Francis Bitonti Studio</a>
- on <a href="https://sketchfab.com?utm_medium=embed&utm_source=website&utm_campaign=share-popup" target="_blank" style="font-weight: bold; color: #1CAAD9;">Sketchfab</a>
-</p>
-</div>
+→Bending should be limited to 60 digree angle.
+
+### Overhang test
+
+download and convert to gcode by cura
+
+
+
+| index | Settings |
+| -------------------- | ---------------- |
+| Quality | Standard Quality |
+| Quality/Layer height | 0.2mm |
+| infill | 20.0% |
+| Generate Support | Uncheck |
+
+- printed by 3d Printer
+
+
+
+
+
+**Overhang Test Conclusion:**
+
+overhang which length is under 0.2mm can be printed fine.
+
+overhang which length is over 0.3mm cannot be printed fine.
+
+### Bridge Test
+
+Design the object in Fusion 360 and export to Cura
+
+
+
+inside dimensions : 20, 25, 30, 35, 40, 45 mm + 45, 50, 55, 60, 65, 70 mm
+
+Printed out and check wether they can be printed expextedly
+
+
+
+
+
+
+
+**Bridge Test Conclusion:**
+
+~45mm : printed very clearly just as I intended
+
+50~60mm : printed clearly to some extent
+
+65mm~ : printed bad-looking
+
+### wall_thickness Test
+
+
+
+
+
+Conclusion:
+
+Upper row (Fence) : Shapes less than 0.4 mm thick are not output. Output is available for sizes larger than 0.5 mm.
+
+Downer row (Grooves) : grooves smaller than 0.3mm cannot be output. thicker than 0.4mm are ok
+
+### M3_hole_test
+
+
+
+printed out
+
+
+
+
+
+
+
+Conclusion:
+
+the shape of circle (upper row) : the hole of second from left (3.1, fx : 0.05) is just-fit
+
+the shape of hexagon (lower row) : the hole of the first from left (3.0) is just-fit
+
+## **What we learned**
+
+to [Yukiya’s individual site](https://fabacademy.org/2022/labs/kannai/students/yukiya-yamane/assignments/week05/)
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