[oscilloscope]

The fluid movement + ghosting is well done. There are the beginnings of a pleasant interface here.

One issue: I couldn't figure out how to connect two nodes to make loops. Adding and deleting worked just find-- but not connecting existing elements.

[tsaixingwei]

There is a bunch of video tutorials on their main site that shows how to create a 'tie'. http://www.anchormodeling.com/?page_id=186

But yeah, I was confused in the beginning too.