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The 30 hobbies closest to PC building in what you actually do and how it feels. Each one says what's alike and what's different.
Cut and engrave wood, acrylic and more with computer-controlled lasers and routers.
Alike: Both hands-on and brainy.
Different: More physical.
The closest are CNC & laser cutting, 3D printing, Home automation, Electronics & Arduino and Data visualisation. They're alike in what you do and how it feels.
3D printing is close to PC building and costs less to start.