Hay JW01 Chair foot

gistfile1.scad

$fa = 1; // minimum angle
$fs = 0.5; // minimum fragment size

height = 11;
length = 46;
width = 15;
screw_diameter = 4;
screw_head_diameter = 8;
screw_head_height = 4;

tube_diameter = 16; // determined imperically
tube_ground_height = 6;

difference() {
	hull() {
	   translate([-length/2 + width/2,0,0]) cylinder(h=height, d=width);
	   translate([length/2 - width/2,0,0]) cylinder(h=height, d=width);
	}
	cylinder(h=height, d=screw_diameter);
	cylinder(h=screw_head_height, d=screw_head_diameter);
	translate([-length/2, 0, tube_ground_height+tube_diameter/2])
		rotate([0, 90, 0])
			cylinder(h=length, d=tube_diameter);
}