# [NTG-context] crop marks

I wonder how I can get crop marks to work. This is what I have, but they don't show:
```
%=== MWE =====```
```
\definepapersize[Labelpaper][width=95mm,height=90mm]
\setuppapersize[Labelpaper][A4,portrait]

\setuplayout[
backspace=3mm,
margin=0mm,
topspace=3mm,
header=0mm,
footer=0mm,
width=89mm,
height=84mm,
nx=2,
ny=3,
location=middle,
marking=on   % according to the wiki,
% this should show the crop marks
]

\showframe    % not for the final printing of course

\starttext
~             % Dummy text, I'll work with background layers.
\stoptext

%==============
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