The following tutorials explain step by step how these interactive applets are made.

The parametric/interactive models are constructed in Cabri Geometry II Plus, using "Graphic Statics" **. To produce the Java-applets, use CabriJava after creating the models.
 

		tutorial one	FLYING BUTTRESS
		tutorial two	BUTTRESS WITH 2 POINT LOADS	coming soon...
		tutorial three	RANDOM / MOLDABLE ARCH
		tutorial four	ARCH ON SPREADING SUPPORTS MECHANISM	coming soon...

** For an excellent introduction to graphical analysis, we refer to Shaping Structures and Active Statics.