n = 8;

// Number of Poles

h = 60; 

// Height

r = 20;

// Radius

union ()
{
difference ()
{
difference ()
{ 
    cylinder(2, r, r,$fn=30, center =true); 
    cylinder(3, r-3, r-3, $fn=30, center = true);
}
for (i=[1:n])  {
	    translate([(r-1.5)*cos(i*(360/n)),(r-1.5)*sin(i*(360/n)),0]) cylinder(5, 0.03*r, 0.03*r, $fn=30, center = true);
    }
}

difference ()
{
difference ()
{ 
    translate ([0,0,h]) cylinder(2, r, r, $fn=20, center =true); 
    translate ([0,0,h]) cylinder(3, r-3, r-3, $fn=20, center = true);
}
for (i=[1:n])  {
	translate([0,0,h]) translate([(r-1.5)*cos(i*(360/n)),(r-1.5)*sin(i*(360/n)),0]) cylinder(5, 0.03*r, 0.03*r, $fn=30, center = true);
    }
}

for (i=[1:n]) {
    
    translate([0,0,(h/2)]) translate([(r-1.5)*cos(i*(360/n)),(r-1.5)*sin(i*(360/n)),0]) cylinder(h+2, 0.028*r, 0.028*r, $fn=30, center = true);
}
}