lamme2024-scientific-project/sty/floatlefttextright.sty

% https://www.developpez.net/forums/d910711/autres-langages/autres-langages/latex/mise-forme/texte-recto-figures-verso/
% Solution by Martigan on Developpez.net

\iffalse
\RequirePackage{afterpage}
\RequirePackage{caption}
\newcommand\@addfig{\relax}
\newcommand\addfig[1]{\global\long\def\@addfig{#1}}
\newcommand\@putfig{\@addfig\addfig{\relax}}
\newcommand\flblankpage{%
	\null
	\vfill
	\begin{figure}[H]
	\captionsetup{type=figure} % Warning: this could be faulty if tables are required
	\@putfig%
	\end{figure}
	\vfill
	\thispagestyle{empty}%
	\clearpage%
	%\addtocounter{page}{-1}
	\afterpage{\flblankpage}
}



\iffalse
	% Example

	% Add this at the beggining of the document:
	\afterpage{\flblankpage}

	\addfig{%
		\centering
		\includegraphics[scale=1]{Image1}
		\caption{Test}
		\label{Ima1}
	}
\fi

\fi

\def\@floatplacement{\global\@topnum\c@topnumber
   \global\@toproom \topfraction\@colht
   \global\@botnum  \c@bottomnumber
   \global\@botroom \bottomfraction\@colht
   \global\@colnum  \ifodd\c@page\c@totalnumber\else\z@\fi%<<<<<<<
   \@fpmin   \floatpagefraction\@colht}