Enter the world of desktop manufacturing with Make! Issue 21 offers the know-how you need to make three-dimensional parts with inexpensive computer-controlled manufacturing equipment. Perfect for individuals and small groups, these detailed how-to articles cover the use of both additive (RepRap and CandyFab) and subtractive (Lumenlab Micro CNC) systems. Pick up a copy and get going! Make continues to be a leader in the tech DIY movement due to its uncanny instinct to engage the curiosity, vitality, and passion of the growing community of Makers - DIY enthusiasts, hobbyist engineers/designers, and others who like to tweak, disassemble, recreate, and invent cool new uses for technology in amazing projects they undertake in their backyards, basements, and garages.