\documentclass[tikz]{standalone}

\usetikzlibrary{decorations.pathreplacing,decorations.markings}
\usetikzlibrary{patterns}

\begin{document}

\begin{tikzpicture}

%draw internal arcs

%%%second layer of red triangles%%%
% top, left
\draw[red,out=10,in=-110] (-0.8,1.65) to (-0.4,1.93);
\draw[red,out=-60,in=-150] (-0.4,1.93) to (0.05,1.995);
\draw[red,out=-130,in=0] (0.05,1.995) to (-0.8,1.65);
% top, right
\draw[red,out=-40,in=-160] (0.1,1.99) to (0.56,1.85);
\draw[red,out=-70,in=160] (0.56,1.85) to (0.85,1.575);
\draw[red,out=180,in=-60] (0.85,1.575) to (0.1,1.99);
% right, top
\draw[red,out=-90,in=150] (0.95,1.38) to (1.02,0.95);
\draw[red,out=-120,in=100] (1.02,0.95) to (0.94,0.6);
\draw[red,out=110,in=-100] (0.94,0.6) to (0.95,1.38);
% right, bottom
\draw[red,out=-160,in=70] (0.92,0.55) to (0.55,0.15);
\draw[red,out=160,in=40] (0.55,0.15) to (0.1,0.01);
\draw[red,out=50,in=-170] (0.1,0.01) to (0.92,0.55);
% left, bottom
\draw[red,out=150,in=10] (-0.2,0.02) to (-0.6,0.17);
\draw[red,out=110,in=-40] (-0.6,0.17) to (-0.87,0.45);
\draw[red,out=-30,in=140] (-0.87,0.45) to (-0.2,0.02);
% left, top
\draw[red,out=90,in=-40] (-0.92,0.55) to (-1.02,1);
\draw[red,out=30,in=-80] (-1.02,1) to (-0.96,1.37);
\draw[red,out=-70,in=70] (-0.96,1.37) to (-0.92,0.55);

%%%first layer of blue triangles%%%
%top triangle
\draw[blue,out=170,in=-80] (0.9,1.5) to (0.1,1.99);
\draw[blue,out=-100,in=0] (0.1,1.99) to (-0.8,1.65);
\draw[blue,out=-20,in=-175] (-0.8,1.65) to (0.9,1.5);
%right triangle
\draw[blue,out=50,in=160] (0,0) to (0.92,0.55);
\draw[blue,out=160,in=-150] (0.92,0.55) to (0.95,1.38);
\draw[blue,out=-160,in=60] (0.95,1.38) to (0,0);
%left triangle
\draw[blue,out=-60,in=30] (-0.9,1.5) to (-0.92,0.55);
\draw[blue,out=-10,in=120] (-0.92,0.55) to (-0.2,0.02);
\draw[blue,out=110,in=-50] (-0.2,0.02) to (-0.9,1.5);

% first red triangle
\draw[red,out=-30,in=110] (-0.9,1.5) to (0,0);
\draw[red,out=-10,in=-170] (-0.9,1.5) to (0.9,1.5);
\draw[red,out=-150,in=70] (0.9,1.5) to (0,0);

%external boundary
\draw[out=0,in=0,looseness=1.75] (0,0) to (0,2);
\draw[out=180,in=180,looseness=1.75] (0,2) to (0,0);


\end{tikzpicture}

\end{document}