A very simple 3-column poster, with a nice references and logos foot.
% Simple poster (portrait)
% Author: Sofia Jijon (https://sjijon.github.io)
% Last Update: Sept 9, 2021
% Latest Version: https://github.com/sjijon/TeX-templates/tree/main/Tikzposter%20posters/Simple%20poster
\documentclass[a0paper,portrait,margin=0pt, colspace=24pt,subcolspace=0pt,blockverticalspace=36pt,innermargin=50pt]{tikzposter}
\usepackage[latin9]{inputenc}
\usepackage[square,numbers]{natbib} % Bibliography manager
\usepackage{amsmath,amssymb}
\usepackage{lipsum} % Random Text
\usepackage[colalign]{aligncolsatbottom} %To align columns at bottom (!! please run 2 times)
%..............................................................................................................................................................................................
% Display
\tikzposterlatexaffectionproofoff
\usetikzlibrary{shapes.geometric,arrows.meta,positioning} %Tikz Libraries
% Fonts
\usepackage{helvet} % Sans-Serif
\renewcommand{\familydefault}{\sfdefault} %
% Colors
\definecolor{MyOrange}{rgb}{0.8, 0.33, 0}
\definecolor{MyBrown}{rgb}{0.28, 0.20, 0.20}
\definecolor{MyGreen}{rgb}{0.33, 0.42, 0.18}
% Theme
\usetheme{Default}
\definecolorstyle{MyStyle2016}{
\definecolor{ColorOne}{named}{MyBrown}
\definecolor{ColorTwo}{named}{MyOrange}
\definecolor{ColorThree}{named}{MyGreen}
}{
% Title Colors
\colorlet{titlebgcolor}{ColorOne}
\colorlet{titlefgcolor}{white}
% Background Colors
\colorlet{backgroundcolor}{ColorOne!15}
\colorlet{framecolor}{ColorOne}
% Block Colors
\colorlet{blocktitlebgcolor}{white}
\colorlet{blocktitlefgcolor}{ColorTwo}
\colorlet{blockbodybgcolor}{white}
\colorlet{blockbodyfgcolor}{black}
% Innerblock Colors
\colorlet{innerblocktitlebgcolor}{ColorOne!15}
\colorlet{innerblocktitlefgcolor}{black}
\colorlet{innerblockbodybgcolor}{ColorOne!15}
\colorlet{innerblockbodyfgcolor}{black}
% Note colors
\colorlet{notebgcolor}{ColorTwo!20}
\colorlet{notefgcolor}{ColorTwo}
\colorlet{notefrcolor}{ColorTwo}
}
% Color style
\usecolorstyle{MyStyle2016}
%..............................................................................................................................................................................................
\title{The Best Title Ever}
\author{First Author\textsuperscript{1}, \underline{Presenting Author}\textsuperscript{1,2}, Second Author\textsuperscript{2}}
\institute{ \textsuperscript{1}Your primary affiliation, City, Country.\\
\textsuperscript{2}Another affiliation, City, Country.}
%..............................................................................................................................................................................................
\begin{document}
%
%
% HEAD
%
%....................................................................................
%
% Title
%
\maketitle[width=0.96\linewidth,titletoblockverticalspace=36pt,linewidth=0,roundedcorners=10]
%..............................................................................................................................................................................................
%
% LEFT COLUMN
%
\begin{columns}
\column{0.33}
%....................................................................................
%
% Block
%
\block[titleleft,roundedcorners=16]{Introduction}{
\raggedright
\lipsum[4]
}
%....................................................................................
%
% Block
%
\block[titleleft,roundedcorners=16]{First Block}{
\raggedright
\lipsum[12]
}
%....................................................................................
%
% Block
%
\block[titleleft,roundedcorners=16]{Model Block}{
\lipsum[12]
\tikzstyle{arrow} = [->,outer sep=14pt, draw=ColorOne, text = ColorOne]
\tikzstyle{enterexit} = [rectangle, text width=1.5cm, text = ColorOne, draw=none]
\tikzstyle{susceptible} = [rectangle, text width=3cm, text = ColorThree!0, fill=ColorOne!95]
\tikzstyle{infectious} = [rectangle, text width=3cm, text = ColorTwo, fill=ColorTwo!25]
\tikzstyle{recovered} = [rectangle, text width=3cm, text = ColorThree!0, fill=ColorThree]
\begin{center}
\begin{tikzpicture}[node distance=6cm,text centered,minimum height=3cm, outer sep=4pt,inner sep=0pt,line width=6pt]
\node (S) [susceptible] {\Large \textbf{S}};
\node (I) [right of=S,infectious] {\Large \textbf{I}};
\node (R) [right of=I,recovered] {\Large \textbf{R}};
\node (enterS) [above of=S,yshift=-1cm,enterexit] { };
\node (exitR) [below of=R,yshift=1cm,enterexit] { };
\draw [arrow] (enterS) -- node[anchor=east] {$\pi$} (S);
\draw [arrow] (S) -- node[anchor=south] {$\alpha$} (I);
\draw [arrow] (I) -- node[anchor=south] {$\beta$} (R);
\draw[arrow] (R) -- node[anchor=east] { $\mu$} (exitR);
\end{tikzpicture}
\end{center}
That was a flowchart, and this is the corresponding ODE system:
\innerblock[bodywidth=0.6\linewidth]{}{
\[
\left\{
\begin{aligned}
\dot{S} & = \pi - \alpha S,\\
\dot{I} & = \alpha S - \beta I,\\
\dot{R} & = \beta I - \mu R. \\
\end{aligned}
\right.
\]
}
}
%..............................................................................................................................................................................................
%
% CENTER COLUMN
%
\column{0.34}
%....................................................................................
%
% Block
%
\block[titleleft,roundedcorners=16]{Results Block}{
\raggedright
This graphic was generated with Tikz:
\begin{center}
\begin{tikzpicture}[xscale=1.5,yscale=4,line width=4pt,text=ColorTwo]
\draw [very thin, gray,step=0.5] (-pi,-1) grid (pi,1);
\draw [color=ColorThree,domain=-pi:pi] plot (\x,{sin(\x r)});
\draw (pi,0) node[right]{$\sin(x)$} ;
\end{tikzpicture}
\end{center}
\raggedright
\lipsum[85]
\begin{center}
\begin{tabular}{l|c|c|r|}
\textbf{Name} & \textbf{Age} & \textbf{Height [cm]} & \textbf{Color}\\
\hline
María & 25 & 152 & white\\
Carlos & 12 & 142 & green\\
Francisco & 18 & 172 & blue\\
Mario & 21 & 165 & red
\end{tabular}
\end{center}
\vspace{3cm}
\lipsum[85]
}
%....................................................................................
%
% Block
%
\block[titleleft,roundedcorners=16]{Another Block}{
\raggedright
\lipsum[13]
}
%..............................................................................................................................................................................................
%
% RIGHT COLUMN
%
\column{0.33}
%%....................................................................................
%
% Block
%
\block[titleleft,roundedcorners=16]{Another block}{
\raggedright
\lipsum[85]
\begin{center}
\includegraphics[width=0.8\linewidth]{Figures/Image1}
\end{center}
}
%....................................................................................
%
% Block
%
\block[titleleft,roundedcorners=16]{Conclusions}{
\raggedright
\lipsum[12-13]
}
\end{columns}
%..............................................................................................................................................................................................
%
% FOOT
%
%....................................................................................
%
% References
%
\block[titleleft,roundedcorners=16]{}{
\small
\begin{minipage}{0.73\linewidth}
\nocite{*}
\bibliographystyle{unsrtnat}
\bibliography{BibPoster}
\end{minipage}
%....................................................................................
%
% Logos
%
\begin{minipage}{0.2\linewidth}
\centering
\includegraphics[height=5cm]{Figures/Logo_GitHub}
\end{minipage}
}
%....................................................................................
%
% My info
%
\note[width=14cm,targetoffsetx=3cm,targetoffsety=3cm,rotate=15]{
\textbf{Contact information:}\\
Name Family Name\\
your.email@web.site
}
\end{document}