This is an interactive 3D object editor that works within ArchiCAD to define and modify geometrical objects. Don’t forget to also download the toolbox manual which is twice the size of the software itself.
Archi-data Ltd. – GDL Toolbox
Edit: The link above no longer works. See the new post on the subject: gdl toolbox only in [...]

Finally Graphisoft decided to set up a central GDL exchange on their own site. Now I only hope it doesn’t stagnate due to lack of contributions – as have many others over time.
:: ArchiCAD-Depository ::

This may not be great dinner-table conversation but simply separating urine from excreta can make a huge difference to how we approach the issue of human waste. Wost Man Ecology, a firm run by Swedish farmer Ingvar-Nilsson, makes separating toilets that are now selling all across the world. Essentially, the urine can be directly used [...]