Atlas of Linkages - Crank Crank

Parameters are those taken from Hrones-Nelson's Atlas of the Four Bar Linkage.
To replicate the book:
Vary c (connector length) between 1.5 and 4.5 in steps of 1
Vary f (follower length) between max(d,|d-c|+1.5) and d+c-1.5 in steps of 1
Keep b (base length) 1
Vary CL between 0 and 4

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CL (coordinate line)
0.00000 0 4.00000
b (|AD|)
c (|BC|)
d (|AB|)
f (|CD|)
θ
0.00000 0 6.28319

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