A classic lego-like brick with knobs on every side.
Inspired by ffff.at Free Universal Construction Kit,
fffff.at/free-universal-construction-kit/
and the fact that Lego’s brick patent is over.
boingboing.net/2011/10/21/expired-patent-of-the-day-lego.html
Detailed dimensions and proportions of a classic Lego brick can be found here:
robertcailliau.eu/Lego/Dimensions/zMeasurements-en.xhtml
Print & share: grab STL files @Thingiverse