Drag the pale end points along the cup wall to place the attachments · tap to add a point mid-span · drag a point to shape the loop · drag a segment's handle to curve it. Scroll to zoom, drag with the right mouse button to pan. The spine is smoothed and the roots always enter the wall square.
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Open this tool with the Handle → button in the cup playground — the cup travels in the link.
Open this tool with the Handle → button in the cup playground — the cup travels in the link.