In the depths of the Nothe Fort in Weymouth (as well as a civillian nuclear bunker (now abandoned)) there is a really beautiful 54mm scale model of the D-Day landings. Lots of different models in there including an Horsa glider.
It is a representative model and does not reflect an actual beachhead.
More photographs of the evocative 54mm scale D-Day model at the Nothe Fort in Weymouth.