\documentclass[tikz]{standalone}
\usepackage{smartdiagram}
\usetikzlibrary{shapes.geometric,calc}
\begin{document}
\tikzset{
  planet/.append style={regular polygon, regular polygon sides=6},
  satellite/.append style={regular polygon, regular polygon sides=6},
  every picture/.append style={rotate=30},
  connection planet satellite/.style={
    bend right/.style=,
    every edge/.style={fill=\col},
    to path={
      \pgfextra
        \path[draw=none, fill=none] (\tikztostart) 
          -- coordinate[at start] (@start@) coordinate[at end] (@target@) (\tikztotarget);
      \endpgfextra
      \ifnum\xi<\maxsmitem % to disable the last arrow
        ($(@start@)!.6cm!90:(@target@)$) -- ($(@target@)!.25cm!-90:(@start@)$)
          -- ($(@target@)!.25cm!90:(@start@)$) -- ($(@start@)!.6cm!-90:(@target@)$)
          -- cycle
      \fi}}}
\smartdiagram[connected constellation diagram]{
  Build a Dapp,
  Set up truffle box,
  Build Smart Contracts,
  Automated Testing,
  Build Front /\\ End,
  CI/CD,
  Documentation / \\ Polishing}
\end{document}