Hi, The following code compiles with pdflatex : \documentclass{article} \usepackage{tikz} \usepackage{tikz-cd} \usetikzlibrary{3d,shapes} \begin{document} \tikzset{xzplane/.style={canvas is xz plane at y=#1, thick,shading=ball,ball color=red,draw=black}} \tikzset{yzplane/.style={canvas is yz plane at x=#1,thick,shading=ball, ball color=red,draw=black}} \tikzset{xyplane/.style={canvas is xy plane at z=#1,thick,shading=ball,ball color=red,draw=black}} \tikzcdset{ arrow style=tikz, diagrams={>=stealth}} \[\begin{tikzcd} \tikz{\draw[xzplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[yzplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[xyplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[xyplane=2] node[white] at (1,1){\Large 7}; \draw[xyplane=2] node[below=0.25cm] at (1,0){\Large X};} \arrow[thick, bend left, start anchor = north, end anchor = north, shorten

=1mm]{r}[scale=2]{\times 2} &\tikz{\draw[xzplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[yzplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[xyplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[xyplane=2] node[white] at (1,1){\Large 14}; \draw[xyplane=2] node[below=0.25cm] at (1,0) {\Large X};} \arrow[thick, bend left, start anchor = north, end anchor = north, shorten <= 1mm]{r}[scale=2]{+ 3} &\tikz{\draw[xzplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[yzplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[xyplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[xyplane=2] node[white] at (1,1){\Large 17}; \draw[xyplane=2] node[below=0.25cm] at (1,0){\Large X};} \end{tikzcd}\]

\begin{tikzpicture} \tikzstyle {bulle}=[circle,draw,thick] \tikzstyle{fleche}=[thick,>=stealth,->] \node(debut1) at (0,0) {$7$}; \node(debut3) at (4,0) {$14$}; \draw [fleche](debut1.north) to [bend left] (debut3.north); \node [bulle,fill=white] (debut6) at (2,0.75) {$\times 2$}; \end{tikzpicture} \end{document} I tried with Context, but it does not work : \usemodule[tikz] \usetikzlibrary[calc] \usetikzlibrary[cd] \usetikzlibrary[3d] \usetikzlibrary[arrows] \usetikzlibrary[positioning] \starttext \tikzset{xzplane/.style={canvas is xz plane at y=#1, thick,shading=ball,ball color=red,draw=black}} \tikzset{yzplane/.style={canvas is yz plane at x=#1,thick,shading=ball, ball color=red,draw=black}} \tikzset{xyplane/.style={canvas is xy plane at z=#1,thick,shading=ball,ball color=red,draw=black}} \tikzcdset{ arrow style=tikz, diagrams={>=stealth}} \starttikzcd \tikz{\draw[xzplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[yzplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[xyplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[xyplane=2] node[white] at (1,1){ 7}; \draw[xyplane=2] node[below=0.25cm] at (1,0){X};} \arrow[thick, bend left, start anchor = north, end anchor = north, shorten

=1mm]{r}[scale=2]{$\times 2$} &\tikz{\draw[xzplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[yzplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[xyplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[xyplane=2] node[white] at (1,1){ 14}; \draw[xyplane=2] node[below=0.25cm] at (1,0) {X};} \arrow[thick, bend left, start anchor = north, end anchor = north, shorten <= 1mm]{r}[scale=2]{+ 3} &\tikz{\draw[xzplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[yzplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[xyplane=2] (0,0)--(2,0)--(2,2)--(0,2) --cycle; \draw[xyplane=2] node[white] at (1,1){ 17}; \draw[xyplane=2] node[below=0.25cm] at (1,0){X};} \stoptikzcd \stoptext

Best regards, Fabrice