I'd like a box that looks exactly like this, width 5 units, height 7 units, each dot measuring 1 by 1 unit:

enter image description here

I've tried the following (including fiddling with the numbers):

\draw[thick,dotted] (0,0) rectangle (0.2, 0.3);

But the above code produces something imperfect like:

enter image description here


enter image description here

\foreach \X in {0,2,4}
{\fill (\X,0) rectangle ++(1,1); 
\fill (\X,6) rectangle ++(1,1); }
\foreach \X in {2,4}
{\fill (0,\X) rectangle ++(1,1); 
\fill (4,\X) rectangle ++(1,1); }

UPDATE: \fill instead of \filldraw.

  • Awesome thanks. Is there an easy way I could scale up or down the size of this box without fiddling with each individual number? – dtcm840 Apr 11 '18 at 3:51
  • @dtcm840 Yes. Just use \begin{tikzpicture}[scale=2] instead of \begin{tikzpicture} in oder to double the size, or \begin{tikzpicture}[xscale=1.5] in order to stretch its horizontal dimension by 50%. – user121799 Apr 11 '18 at 3:56
  • When I try to scale it down (e.g. to \begin{tikzpicture}[scale=0.05]), now the spaces between the dots are smaller than each dot. Any suggestions on what to do? – dtcm840 Apr 11 '18 at 4:00
  • @dtcm840 You're right. My stupid mistake. This came from me using \filldraw instead of \fill. So the line width added to the size of the boxes. I fixed that. – user121799 Apr 11 '18 at 4:19
  • Cheers mate, works perfect now. Thanks for taking the time and effort to help me. – dtcm840 Apr 11 '18 at 4:30

An alternative solution with a dashed pattern. In this case the rectangle is drawn with four lines whit origins which compensate the width of lines.



    mydash/.style={line width=\myunit, 
        dash pattern=on \myunit off \myunit}]

\draw[mydash] (0,0) --++(5*\myunit,0);
\draw[mydash] (.5*\myunit,-.5*\myunit) --++(0,7*\myunit);
\draw[mydash] (0,6*\myunit) --++(5*\myunit,0);
\draw[mydash] (4.5*\myunit,-.5*\myunit) --++(0,7*\myunit);

enter image description here

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