Fig 14 shows a point of sale display unit designed to sit on a shop counter and promote a range of cosmetics. The display is 200 mm wide, 150 mm deep and 25...

(a) How a designer would make a card model of this display unit:

1. The net for the display is drawn out on card using accurate measurements from the specification (200 mm wide, 150 mm deep, 250 mm tall), including all side panels, the base, and the header panel. [1]
2. The net is cut out carefully using a craft knife guided along a steel rule on a self-healing cutting mat. Fold lines are scored (using a scoring tool or bone folder) to ensure clean, sharp folds without the card cracking. [1]
3. The card is folded along the scored lines and glued together using PVA adhesive to form the three-dimensional box shape. Six circular holes are cut into the front face panel (using a circle cutter or compass cutter) to create the product slots for the lipstick tubes. [1]

(b) One advantage of using CAD software to model the display before making a physical model:

CAD allows the designer to view the 3D model from any angle on screen, rotating and zooming to check proportions, slot positions and the header panel layout without needing to make a physical model first. [1] Changes to dimensions, slot sizes or panel positions can be made instantly on screen without starting the model from scratch. The CAD data can also be sent electronically to the client for remote approval and used to generate accurate cutting files for a laser cutter or vinyl plotter.