BrickGeometry.designscript

b = brick;

footprint = Rectangle.ByWidthLength(b.Width, b.Length);

surface = Surface.ByPatch(footprint);

base = surface.Thicken(6/5, false);

p1 = [Imperative]
{
	points = [];
	w = b.Width / 2 - 0.5;
	l = b.Length / 2 - 0.5;

	for(x in (w * -1)..w)
	{
		for(y in (l * -1)..l)
		{
			p = Point.ByCoordinates(x, y, 6/5);
			points = List.AddItemToEnd(p, points);
		}
	}
	return points;
};

p2 = Autodesk.Geometry.Translate(p1, 0, 0, 1/5);

studs = Cylinder.ByPointsRadius(p1, p2, 1.5/5);

parts = List.Flatten([base, studs], 1);

Autodesk.Solid.ByUnion(parts);