Hello, I have been working on this for awhile, it's a re-creation of some of the test chambers from Portal:Still Alive. It requires Ichun's 'PortalCraft' mod.
www.minecraftforum.net/topic/199391-124-portal-gun-reconstructed-v1-of-faith-plates-and-pellets/
And uses 'ModifiedPortal' Texturepack by carlotta4th
www.minecraftforum.net/topic/158542-16x-32x124-precisely-portal-and-modified-portal/
This map is not done yet, but I'm hoping to complete the entire Aperture Science, I might skip a couple chambers, but I will do the majority of them. (I already have ideas for a boss battle at the end)

---------------------------------------------------------RULES----------------------------------------------------------------------
1. Don't place or break any blocks except storage and companion cubes
2. Don't invEdit a portal gun in and place portals until you have the gun (It will mess up the pre-placed portals within the map)
3. Think with portals