Best practice guidelines for the design, production and presentation of vacuum formed tactile maps

Simplification, symbolisation, and spacing

Fig 17: Dots show the positions of vent holes as seen on the reverse side of the mould for the map of Spike Island

Figure 17: Dots show the positions of vent holes as seen on the reverse side of the mould for the map of Spike Island, [the mould is overlaid with a reversed transparent PVC map to show the relationship of the holes to the outline of the map design; original size 170 x 21mm].