#### 8.3.13 Dcarre (square)

• Dcarre( <A>, <B>, <+/-1> [, radius] ).
• Description: draw the square with consecutive vertices <A> and <B> counterclockwise if the third parameter is $1$ (clockwise for $-1$). If the <radius> is present, then the figure “corners” will be rounded by a circle arc with the given radius.