... easy to toggle on and off. When active the top row of the toolbar buttons gains a green background as a reminder. All the above applies to background templates only, and on the trackpad screen only. There is no effect on the control template, or the background shapes, or file exports, or printing. If you haven't made any use of the boundary rectangle until now, the tool-button for it is here (it turns orange when clicked), and you can then click-drag the rectangle: 2_051958_360000000.png To change the rectangle you can either draw a new one, or use the mouse actions to move its sides. It's not new, it has been there for years. To remove an unwanted rectangle, click on the trackpad without dragging a rectangle. Note that drawing and removing the rectangle is a separate function from toggling the restricted template area. The rectangle is also used to control the export area for image files, and transfers to the sketchboard. In update 218d shortly. Now available. You all knew I wouldn't ...