mtb 1.0.3(221127)
Drag to draw CIRCLE.
Click to select CIRCLE.
Click and drag to move CIRCLE.
shift+ Click to add or delete CIRCLE.
⌘ + cto copy PATH.
It is SVG so paste it to any graphic app(such as Ai).
Created by cog.
Using #PaperJS
Based on this example.
Original Metaball script is by SATO Hiroyuki