Here's the Flake demo:
<APPLET  CODEBASE=.  CODE=Flake.class  WIDTH=300 HEIGHT=300>
<PARAM   NAME=maxdepth VALUE=8>
</APPLET>

<P>
And, sources: <A HREF=Flake.java>Flake.java</A>,
	<A HREF=FlakePanel.java>FlakePanel.java</A>, and
	<A HREF=FlakeDrawer.java>FlakeDrawer.java with vector arithmetic routines</A>.