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DXF drawing of an involute spline

DXF drawing of an involute spline

DXF drawing of an involute spline

(OP)
I am hoping someone here can draw an accurate drawing of an involute spline for me.  Then please tell me how you did it so I can do my own.

No of teeth        28
Pitch              24/48
Pressure angle     45deg
Pitch Diameter     1.1667
Major Diameter     1.225-1.229
Form Diameter(Min) 1.215
Minor Diameter     1.1417-1.1457

Circular Space Width
Max Actual         .0760
Min Effective      .0742
Max Measurement between .08 pins   1.0494 REF
Internal form angle                82.753deg
internal form angle variation      +2deg/-1deg

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