• Menu: Open/Close Paint Menu
• Undo: Cancel last operation
• Redo: Redo cancelled operation
• Paint: Paint new element
• Assemble: Assemble element from selected elements
• Elements: Element management and interactive
• More function

• Type name and label (or Index) of current element, Click to set label text(Since V1.2.3)
• Current property of current element (writable if angle present)
• Canel: Terminate paint operation
• Collect: Collect value from points or parameters in workspace
• Pin: Attach current property as parameter
• Preview Property
• Property Group: Click label to switch property group
• Next Property

• Axes
  • Moving single axis by dragging after long touch select
• Element
  • Moving element by dragging after long touch select
  • Rotating element by secondary touch after long touch select
• Workspace
  • Moving axes by dragging after whitespace long touch
  • Moving and zooming by Multi-Touch