**Note**: The word “easy” is relative to the other solutions I found for doing 3D graphics in LaTeX.

The following template is adapted from the annotated 3d box example.

```
% Template for drawing with tikz 3D package
\documentclass[]{article}
\usepackage{tikz}
\usetikzlibrary{3d}
\begin{document}
% Draw a 3D coordinate system
\begin{center}
\begin{tikzpicture}[x = {(1cm,0cm)},
y = {(0.4cm,0.6cm)},
z = {(0cm,1cm)},
scale = 1,
color = {lightgray}]
\begin{scope}[canvas is xy plane at z=0]
% x-axis
\draw[blue,->] (0,0) -- (5,0) node (x-axis) [right] {$x$};
% y-axis
\draw[red,->] (0,0) -- (0,5) node (y-axis) [above] {$y$};
\end{scope}
\begin{scope}[canvas is yz plane at x=0]
% z-axis
\draw[green,->] (0,0) -- (0,5) node (z-axis) [above] {$z$};
\end{scope}
\end{tikzpicture}
\end{center}
\end{document}
```

The code is almost self-explanatory, but here is the explanation. You can draw in either the xy plane (for z=something), the xz plane (for y=something) or the yz plane (for x=something). If all you want to do is draw in these planes, then the above template is a good place to start. It draws a coordinate system.

The x, y and z values in the following snippet, defines the directions of the x, y and z axis, when projected onto your computer screen. Play around with the values and see what happens if you don’t get it right away:

```
\begin{tikzpicture}[x = {(1cm,0cm)},
y = {(0.4cm,0.6cm)},
z = {(0cm,1cm)},
```

You pick the plane you want to draw in. To draw in the yz plane where it intersects the x-axis at x=0, do the following:

```
\begin{scope}[canvas is yz plane at x=0]
```

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