Observed arrival · 2026-11-01
Built & Explained: engineering made physical
Sanjaya Rathugama’s independent journal documents original builds, including a homemade native-4K projector, home-theatre speakers, and workshop projects.
○Open
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$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- DIY projector and home-theatre builders
- Worth noticing
- The projector case study is dated 2019–2020, with developments noted in 2023; two older project write-ups remain marked “Documentation in preparation.”
Field notes
The homepage frames each build as practical research, with prototypes, measurements, and revisions preserved alongside finished objects. Its project archive includes a 3D printer designed and built in 2012–2013, later used to make projector parts, and an automatic lighting project called EveLights; documentation for both is marked in preparation.
Observed signals
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Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
◉HumanPersonal, local, civic, or handmade
One card from the complete issue