fix \teckidspubmatnamegroup:

in teckids2, \unitlength is 1mm,
not the LaTeX default of 1pt (Teχ point, not PostScript point)

teckids2pubmat.cls

@@ -21,7 +21,7 @@
 % of said person’s immediate fault when using the work as intended.
 
 \NeedsTeXFormat{LaTeX2e}%
-\ProvidesClass{teckids2pubmat}[2018/06/07 1.2 Teckids OER TeX/LaTeX class, second epoch]% Teχ/LᴬTᴇX
+\ProvidesClass{teckids2pubmat}[2018/08/21 1.3 Teckids OER TeX/LaTeX class, second epoch]%
 
 \PassOptionsToPackage{paper=a4}{typearea}%
 \RequirePackage{fancyhdr}%
@@ -30,9 +30,9 @@
 
 \newcommand{\teckidspubmatnamegroup}{%
  \vspace{2cm}%
- Name: \line(1,0){200}\hfill{}%
- Klasse: \line(1,0){50}\hfill{}%
- Gruppe: \line(1,0){50}%
+ Name: \line(1,0){72}\hfill{}%
+ Klasse: \line(1,0){18}\hfill{}%
+ Gruppe: \line(1,0){18}%
 }%
 
 % How to use: