name = "Brian";
radius = 28;
chars_len = len(name);
font_size = 8;
step_angle = 45 / chars_len;

%cylinder(r=radius,h=4,center=true);
for(i = [0 : chars_len - 1]) {
    rotate([0,0,-i *step_angle]){
		translate([0, radius + font_size / 2, 0]){
			linear_extrude(height = 3){text(
                    name[i], 
                    font = "Arial", 
                    size = font_size, 
                    valign = "center", 
                    halign = "center"
                );
            }
        }
    }
}