Sorry, not my Earth tutorial yet, just a beam weapon tutorial.
but comments on the new site layout?
Great concept. Most of the crits I have for it are nit-picky.
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I’d rather it be more resolution independent (or at least work better at 800px wide).
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I think the borders and padding for each of your light grey content boxes could use a little reduction. Granted the current setup is easy to read, but (to me, at least), it’s easy to read like a children’s book… large unused space around the type.
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Your color for links could easily get lost on monitors with low contrast.
Like I said, mostly nitpicky. What did you create the page in?
looks good. MUCH better than the old site! 
umm…
"Enter edit mode (TAB) you will see four purple dots at each corner of the plane, these are vertexes. Click on two of them while holding shift, so you select two (they will turn yellow). Delete them by hitting Z "
most importantly
“Delete them by hitting Z”
do you mean X? or delete?
OH! Thank you man! typo on my part. Should be X, yes.
Very cool site, man! Great Effort!!
btw, the link to tutorial 3 is directed to tutorial 2
that at least, is purposful. I’m actually going to stop calling everything tutorial1, etc in the file names, because when I get rid of a tutorial, or decide to re-order them, it causes problems.
I used to have a tutorial2, but got rid of it because it really didn’t help.