[ecfisa]

Hola.

Otra opcíon,

Código Delphi [-]
procedure MakeSquares(aCanvas: TCanvas; const pInit: TPoint;
  const ncuad, size: Integer);
var
  x, y: Integer;
  p   : TPoint;
begin
  p.Y := pInit.Y;
  for y := 1 to ncuad do
  begin
    p.X := pInit.X;
    for x := 1 to y do
    begin
      aCanvas.Rectangle( p.X - 1, p.Y - 1, p.X + size, p.Y + size);
      Inc( p.X, size );
    end;
    Inc( p.Y, size);
  end;
end;

Ejemplo llamada:

Código Delphi [-]
procedure TForm1.btnStartClick(Sender: TObject);
begin
  MakeSquares(Canvas, Point( 70, 30 ), 7, 20);
end;

Saludos