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.
No cup in this link.
Open this tool with the Handle → button in the cup playground, or start from a plain mug.
Open this tool with the Handle → button in the cup playground, or start from a plain mug.