sifbuilder
based on an original idea by
- [x] [Mike Bostock] (https://github.com/d3) and
- [x] [Ricardo Cabello] (https://threejs.org/)
with influences from among others
- [x] [Vasco Asturiano] (https://bl.ocks.org/vasturiano)
- [x] [Philippe Rivière] (https://bl.ocks.org/fil)
- MIT