How to Optimize a Map in Hammer Editor: 10 Steps (with Pictures)
To-scale map of the Aperture Science Enrichment Centre (Using the Hammer Editor) : r/Portal
CS:GO SDK Player and Architecture Scale, Dimension, Proportion - Beginner Tutorial Series 3/8
English: The Yale world map of 'Henricus Martellus Germanus' (Heinrich Hammer), probably from Florence 1490-92. It is the most detailed 'Dragon Tail' map by Martellus. It is the only one with
Modifying Lightmap Grid | Source SDK Game Development Essentials