I am going to make a springy spring.
The project is Springy Spring.
First of all draw a circle on top plane
Now use a helix/spiral commend and give that circle to it and give parameters in fig.
Now draw a line at right plane and coincident to the helix start point.
now use surface sweep commend to make a sweep of line which is twist along path. you can refer all parameters from fig.
now at top view draw a circle whose center is at corner of that surface as same as in next step
this circle is now looking like this now.
Now sweep that circle along path the edge of that surface sweep line.
now delete that surface which is now we have no use.
this is your final springy spring
you can render like this
and also this.