Here is a quick concept I found
http://www.homechemistry.org/view/Fume_Hood
I was thinking for the aspirator you could use a shop-vac, or build your own custom push fan in the hose (as they did in that link).
One thing I see missing from your hood is an access point where you can open it and...
It is just that there are so many tutorials...
Most of the questions you might have are already answered in the tutorials...at least that is what I have found. Of course I am in the pep stage for my stuff...but all of the questions I have had so far I was able to answer by reading the...
1. Open up the pep file in pepakura.
2. Click on 2D Menu from the menu at the top of the screen.
3. Make sure Show Edge ID has been selected.
Note: Sometimes you have to zoom in really far to notice the edge ID's. I thought one of my peps did not have the numbers on it, but when I...