Construction Design Mathematics: Gothic architecture: lancet triplets

How to draw lancet triplets

Once the students are at ease with drawing a lancet window (see relevant lesson plan) then try lancet triplets using the illustrated ieasy-to-follow instructions.

A very elegant window arrangement is to draw the triplets together with the centre light being taller and slightly wider than the outer lights. A good example can be seen at Temple Church in London, completed in 1240. Each light has its own dripstone. Within the dripstone are mouldings that descend onto the capitals. The capitals sever the multiplicity of mouldings from the single shaft below thereby producing a pleasing contrast.