Step-3 Use your mouse to move openings to required position,
Here we display to you a 100x100cm mat board, if you made your calculations and you know the size you need, you may enter it and press resize button. Else you can design your collage openings then DRAG the right and bottom sides or BR corner for resizing.

Mat Size:  Width:  Height:
Please note: you can select group of openings and move them together.

Select grids: 1cm 2cm 3cm 4cm 5cm Hide Grids