You may change the location and the size of dimensions with the mouse.
To change dimensions, select them in the home plan first. To select one
dimension in the plan, click on it. To select multiple dimensions (or other objects) in the plan, draw a selection
rectangle around them, or click on dimensions while pressing shift key.
To move the selected dimensions, place the mouse pointer on one of these dimensions then
drag and drop them, or press the keyboard arrows.
When one dimension is selected in the plan, you may also:
- move its start and end point, with
the size indicator that appear at each end of the selected dimension,
- change the size of its extension lines, with the extension lines size indicator that appears in the middle
of the selected dimension line.

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