Number of teeth 16 Pitch 20 Pressure angle 20 0.349066 Addendum 0.05 Dedendum 0.06 Pitch diameter 0.80 Base circle dia. 0.75 Theta p 0.10 Theta b 0.11 Angle(deg) angle(rad) Inv r Theta r x y 0 0 0 0.373796 1.683875 -0.04218 0.371409 5 0.087266 0.000222 0.375231 1.683653 -0.04226 0.372844 10 0.174533 0.001794 0.379683 1.682081 -0.04217 0.377335 15 0.261799 0.00615 0.387629 1.677726 -0.04137 0.385415 20 0.349066 0.014904 0.4 1.668971 -0.03921 0.398074 25 0.436332 0.029975 0.418475 1.6539 -0.03474 0.417031 30 0.523599 0.053751 0.446105 1.630124 -0.02645 0.44532 35 0.610865 0.089342 0.488809 1.594533 -0.0116 0.488671 40 0.698132 0.140968 0.559464 1.542908 0.015601 0.559246 45 0.785398 0.214602 0.691828 1.469274 0.070116 0.688266 50 0.872665 0.319089 1.010175 1.364787 0.206637 0.988815