This is a great option for people who dont have too much space in their offices or house for a regular long stair... you can save at least the half of the space without the problems of having smaller steps... its a little bit dificult to make the math, but is an excellent result, and you can make it as elegant as you can do it.
Let's get it on!

Step 1: Our problem.

We have an office in an old building in Monterrey, Mexico, and we pay a rent of only $150 US at month, so is very cheap, but is not a big space... maybe 8m x 4m with two gigant windows in the front in one of the 8m sides, and the door is on the 4m side... so is a very small space but is very good ventilated and we are right in the downtown. So our first step was build a second floor with 3/4" plywood and a lot of wood beams and steel columns... so we need a strong stair but we can't use a lot of space. And my partner remember a desing that he saw back in his school days and in a lot of european magazzines: a Right foot stair.
Can't it be dangerous? especially when sleepy?
I guess maybe... but you get use to really fast...<br>we use it all the time... and even kids use it...<br>
I must say that it's an example of good designing.
This was made by the Brazilian inventor Santos Dumont, in the early 1900s.<br>http://www.youtube.com/watch?v=9ai2v2xzDgc&amp;NR=1
Frikin amazing!!!<br>we saw this in old european magz but they didnt say anything about the inventor...<br>Thanks!!
http://www.britannica.com/bps/media-view/99632/1/0/0<br><br> <br><br>http://www.youtube.com/watch?v=9ai2v2xzDgc<br><br> <br><br>http://www.flickr.com/photos/lynx81/4737022916/<br><br> <br><br>http://fctp.petropolis.rj.gov.br/fctp/uploads/img49d6220e6665a.jpg<br><br> <br><br>http://citycomfortsblog.typepad.com/cities/2010/08/alberto-santos-dumont-and-the-alternate-tread-stair.html<br><br> <br><br>http://books.google.com.br/books?id=AvhqwSG6pggC&amp;pg=PA28&amp;lpg=PA28&amp;dq=santos+dumont+stairs&amp;source=bl&amp;ots=LEp6c2vEIZ&amp;sig=xHtiGunOqx6P63jbUnZ6BMcK77Q&amp;hl=pt-BR&amp;ei=u2fVTZT0OMe_gQfih_CNDA&amp;sa=X&amp;oi=book_result&amp;ct=result&amp;resnum=5&amp;ved=0CDkQ6AEwBDgK#v=onepage&amp;q=santos%20dumont%20stairs&amp;f=false<br><br> <br><br>http://www.flickr.com/photos/plitvak/2877259202/
I had one built for me, but these links are for the original one by him.<br><br>Check:<br><br>http://www.britannica.com/bps/media-view/99632/1/0/0<br><br>http://www.youtube.com/watch?v=9ai2v2xzDgc<br><br>http://www.flickr.com/photos/lynx81/4737022916/<br><br>http://fctp.petropolis.rj.gov.br/fctp/uploads/img49d6220e6665a.jpg<br><br>http://citycomfortsblog.typepad.com/cities/2010/08/alberto-santos-dumont-and-the-alternate-tread-stair.html<br><br>http://books.google.com.br/books?id=AvhqwSG6pggC&amp;pg=PA28&amp;lpg=PA28&amp;dq=santos+dumont+stairs&amp;source=bl&amp;ots=LEp6c2vEIZ&amp;sig=xHtiGunOqx6P63jbUnZ6BMcK77Q&amp;hl=pt-BR&amp;ei=u2fVTZT0OMe_gQfih_CNDA&amp;sa=X&amp;oi=book_result&amp;ct=result&amp;resnum=5&amp;ved=0CDkQ6AEwBDgK#v=onepage&amp;q=santos%20dumont%20stairs&amp;f=false<br><br>http://www.flickr.com/photos/plitvak/2877259202/<br><br><br>
I love it! I just built something like it. Look for &quot;Single Step Stairs&quot; but it is only four steps. Great job.
thank you!!!
Good work. FYI- They are called Alternating Tread Stairs.
It&acute;s a great solution... need some work... but its very effective!! good luck!
these will work well in my new shop to save floor space :)

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Bio: cheap guy, who likes DIY
More by tioshrek: Cheap and easy laptop stand Alternating Tread Stairs
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