CAD Exercise 20(ID:15709)

This drawing contains key dimensions such as the center-to-center distance of the arcs, arc fillets, resulting in a pipe section with uniform wall thickness.


  1. Draw a straight line with a length of 55
  2. Draw circles at both ends of the line with radii of 10,20,14, 20, respectively
  3. Use circleTTR to draw tangent circles with radii of 55 and 108, respectively
  4. Use offset to offset the circle inward, with an offset distance of 6
  5. Trim
  6. Fillet with a radius of 4
  7. Add centerline and annotations
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