Tutorial how to make engine part 14

Crank connection part
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Step 1:
open a sketch and draw this sketch
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Step 2:
extrude the sketch 35 mm. then draw this two circles and cut the body
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Step 3:
use fillet command
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Step 4:
this part is ready to use. now we will make another connector
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Step 5:
draw a circle and a centerline on the blue surface
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Step 6:
use cut revolve command
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Step 7:
your part is ready to use