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Have you ever wondered what all this talk about 'portals' actually means when it comes down to cutting-edge 3D engines? Step through this portal and find out! The Phantom (Jacco Bikker) has completed an excellent column on building a 3D portal engine from the ground up! Even if you're not interested in portals, you'll find plenty of gems in this series that you will most likely learn a lot from! The entire series is 17 issues, so start reading!