Parameters are those taken from Hrones-Nelson's Atlas of the Four Bar Linkage.
To replicate the book:
Vary off (slider offset) between 0 and 1 in steps of 0.5
Vary c (coupler length) between 2+off and 5+off in steps of 1
Keep d (crank length) at 1
Vary CL (coordinate line) between 0 and 4
|CL (coordinate line)|