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On my last Latex doc, I use this document class to let me use the font show there

\setmainfont{industry-blackitalic}

but I can't use more that 14 pt for the biggest of char. I would use 16 or 18, but if I go over 14, my text became small. what can I do?

Thank you

Renato

RenatoP
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    with any class you can go \fontsize{3cm}{4cm}\selectfont ABC if you want big letters. – David Carlisle Mar 06 '23 at 16:25
  • sorry, how can I use it? Where do I have to insert it? – RenatoP Mar 06 '23 at 16:27
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    try this with lualatex or xelatex \documentclass{article} \begin{document} \fontsize{3cm}{4cm}\selectfont ABC \end{document} – David Carlisle Mar 06 '23 at 16:30
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    There are several packages, that provide other font sizes, e.g., scrextend or fontsize. And some classes like scrartcl also allow such sizes. – cabohah Mar 06 '23 at 17:08
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    Have you tried using the \fontsize command to specify the size you want? For example, to set the font size to 18pt, you could use \fontsize{18}{22}\selectfont, where 22 is the value for the baseline skip (usually set to 1.2 times the font size). – scd Mar 06 '23 at 17:21
  • The memoir class (a superset of book) provides for font sizes from 4pt to 132pt. Read the documentation section 3.2 "Font sizes". – Peter Wilson Mar 06 '23 at 18:18

1 Answers1

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Let's look at extarticle.cls:

\DeclareOption{8pt}{\renewcommand\@ptsize{8}}
\DeclareOption{9pt}{\renewcommand\@ptsize{9}}
\DeclareOption{10pt}{\renewcommand\@ptsize{10}}
\DeclareOption{11pt}{\renewcommand\@ptsize{11}}
\DeclareOption{12pt}{\renewcommand\@ptsize{12}}
\DeclareOption{14pt}{\renewcommand\@ptsize{14}}
\DeclareOption{17pt}{\renewcommand\@ptsize{17}}
\DeclareOption{20pt}{\renewcommand\@ptsize{20}}

So if you choose 17pt or 20pt you'll get them provided you load also fix-cm (in case your document uses the standard Computer Modern fonts) or a package that supports scalable fonts. In the former case, you should add

\RequirePackage{fix-cm}

before \documentclass.

Specifying other options is useless, because they're not recognized. If you want an arbitrary font size, there's the fontsize package:

\RequirePackage{fix-cm}
\documentclass{article}
\usepackage[fontsize=18pt]{fontsize}

\begin{document}


\fontname\font


\Large\fontname\font


\end{document}

enter image description here

egreg
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