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Commit e1ae0b33 authored by James Prue's avatar James Prue
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Update README.md

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...@@ -28,7 +28,7 @@ ...@@ -28,7 +28,7 @@
<img src="Pictures/Fusion_360.jpg" width=800px> <img src="Pictures/Fusion_360.jpg" width=800px>
**Step 4. Prototyping **Step 4. Prototyping**
- Attempt 1 - Attempt 1
- What process would I use? - What process would I use?
- 3d printing - 3d printing
...@@ -63,3 +63,19 @@ ...@@ -63,3 +63,19 @@
<img src="Pictures/20180329_114937.jpg" width=800px> <img src="Pictures/20180329_114937.jpg" width=800px>
<img src="Pictures/20180329_120013.jpg" width=800px> <img src="Pictures/20180329_120013.jpg" width=800px>
<img src="Pictures/20180329_150654.mp4" width=800px> <img src="Pictures/20180329_150654.mp4" width=800px>
- Attempt 3
- Things to figure out, change, fix, redesign before trying again
- The notches for the cross piece to slide into that would in turn hold the desktop in position were on the bottom... they need to be on the top. Also too narrow.
- Will fix in Fusion 360
- For stability the framework of both the base as well as the pieces attached to the bottom of the desktop should be wider for more stability
- Will measure and redesign in Fusion 360
- When the desktop is raised up completely and the two scissor arms come too close together the whole desktop falls forward to about -45 degrees. Ben called this a
problem of singularity
- I'll redesign the lower track so that there's not as much travel and the arms stay closer to an 'X' shape
- Maybe one of the arms need to be longer? Must explore
- A small problem but just for a bonus I want to make the tabs coming up through the desktop flush. My full scale design won't include this feature but want to
attempt anyways
- I made a 3rd attempt and the 2nd prototype is below in pictures
<img src="Pictures/#2 top view.jpg" width=800px>
<img src="Pictures/#2 side view.jpg" width=800px>
<img src="Pictures/#2 closeup.jpg" width=800px>
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