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This question already has an answer here:

I am trying to learn drawing in latex with TikZ for simple shapes. But when I want to draw shapes in 3D or special shapes I am confused. I think there are some applications to make it easier and convert an image to latex code. Can you give me suggest for the application?

marked as duplicate by Thruston, Stefan Pinnow, CarLaTeX, Moriambar, TeXnician May 3 '17 at 19:40

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    Does the linked question cover what you are asking or is there something more specific you need to tackle? – Andrew Swann May 3 '17 at 16:01
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I would recommend using TikZ directly. It's not that difficult.

The TikZ documentation contains some very good introductions in the first chapter for different applications. After reading the first ("Tutorial: A Picture for Karl’s Students" pages 29--46) you should know the basics and a little more.

TikZ supports specifying 3D coordinates, as described in chapter 13 "Specifying Coordinates" on pages 131, 132. By default the x-axis points right, the y-axis upwards and the z-axis out of the screen. In the following example I have changed this so that the x-axis points out of the screen, the y-axis to the right and the z-axis upwards:

\documentclass[tikz]{standalone}

\tikzset{
    3D/.style={
        x={(-3.85mm, -3.85mm)},
        y={(1cm, 0cm)},
        z={(0cm, 1cm)},
    },
}

\begin{document}
\begin{tikzpicture}[3D]
    \draw[->] (0,0,0) -- (2,0,0) node[right] {$x$};
    \draw[->] (0,0,0) -- (0,2,0) node[below left] {$y$};
    \draw[->] (0,0,0) -- (0,0,2) node[below right] {$z$};
\end{tikzpicture}
\end{document}

screenshot

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