1) Construct the nephroid and its evolute.

2) Construct the nephroid as the envelope of a family of line segments.

3) Construct rotating cardioid and nephroid while remaining orthogonal to each other.

4) Construct the nephroid as the envelope of a family of circles.

5) Construct an animation displaying a nephroid of least size rotating about a fixed deltoid.

6) Construct rotating nephroid and three-cusped epicycloid while remaining orthogonal to each other.

7) Construct an animation displaying a nephroid sliding along three fixed concurrent lines meeting at 120 degrees.

8) Construct an animation displaying the deltoid sliding inside a fixed nephroid.

9) Construct an animation of three concurrent tangents of the nephroid .