Hi crossposting this tutorial wad here from ZDF made by my friend Yatte_Mimashou. He's asking for more feedback on the DDD :), it's a tutorial wad meant to teach the mapper some basic concepts by showing those concepts in action. It definitely helped me get over my mapping block. Here's the stuff from the original post   Link to the file: https://www.dropbox.com/s/gd5q4p1k0f1p4mt/DDD.wad?dl=0