
I have recreated this figure in PAINT. Because the quality is not good, I would like to recreate this figure in LaTeX. But I have no idea how I can do this. I hope you can help me.

Greetings & many thanks in advance!

Code: Select all
\documentclass[border=10pt]{standalone}
\usepackage{tikz}
\usetikzlibrary{quotes,shapes,positioning}
\tikzset{
treenode/.style = {shape=rectangle, rounded corners,
draw, anchor=center,
text width=5em, align=center,
top color=white, bottom color=blue!20,
inner sep=1ex, font=\sffamily\normalsize},
do/.style = {treenode, diamond, inner sep=0pt},
}
\begin{document}
\begin{tikzpicture}[-latex,
[every edge quotes/.style={fill=white, font=\footnotesize}, auto=right]]
\node [do] (model) {Model};
\node [treenode, below left = 2cm and 2cm] (A) {Test A};
\node [treenode, below right = 2cm and 2cm] (B) {Test B};
\node [do, below right = 1.8cm and 6cm] (C) {Delete};
\draw
(model) edge ["Axis A"] (A)
(model) edge ["Axis B"] (B)
(model) edge ["Axis C", auto=left] (C)
;
\end{tikzpicture}
\end{document}