Table 1.

Nodal coordinates x,y of the king post pantographic unit.

node	1	2	3	4	5	6	7
x	0	0	0.5ℓ	ℓ	ℓ	0.75ℓ	0.75ℓ
y	0	ℓ	0.5ℓ	0	ℓ	0.25ℓ	0.75ℓ