diff --git a/figures/arbitrary.pdf b/figures/arbitrary.pdf
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index 0000000..43cf0a3
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diff --git a/figures/arbitrary_divided.pdf b/figures/arbitrary_divided.pdf
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diff --git a/figures/arbitrary_subtriangle.pdf b/figures/arbitrary_subtriangle.pdf
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diff --git a/tikzs/arbitrary.tikz b/tikzs/arbitrary.tikz
new file mode 100644
index 0000000..7f74526
--- /dev/null
+++ b/tikzs/arbitrary.tikz
@@ -0,0 +1,18 @@
+\begin{tikzpicture}
+	\begin{pgfonlayer}{nodelayer}
+		\node [style=none] (0) at (-2, 6) {};
+		\node [style=none] (1) at (-5.75, 0) {};
+		\node [style=none] (2) at (-4.25, -5.75) {};
+		\node [style=none] (3) at (3.75, -3.5) {};
+		\node [style=none] (4) at (5.75, 0) {};
+		\node [style=none] (5) at (3.25, 3.75) {};
+	\end{pgfonlayer}
+	\begin{pgfonlayer}{edgelayer}
+		\draw (0.center) to (5.center);
+		\draw (5.center) to (4.center);
+		\draw (4.center) to (3.center);
+		\draw (3.center) to (2.center);
+		\draw (2.center) to (1.center);
+		\draw (1.center) to (0.center);
+	\end{pgfonlayer}
+\end{tikzpicture}
diff --git a/tikzs/arbitrary_divided.tikz b/tikzs/arbitrary_divided.tikz
new file mode 100644
index 0000000..67f52b8
--- /dev/null
+++ b/tikzs/arbitrary_divided.tikz
@@ -0,0 +1,32 @@
+\begin{tikzpicture}
+	\begin{pgfonlayer}{nodelayer}
+		\node [style=none] (0) at (-2, 6) {};
+		\node [style=none] (1) at (-5.75, 0) {};
+		\node [style=none] (2) at (-4.25, -5.75) {};
+		\node [style=none] (3) at (3.75, -3.5) {};
+		\node [style=none] (4) at (5.75, 0) {};
+		\node [style=none] (5) at (3.25, 3.75) {};
+		\node [style=Big dot] (6) at (0.125, 0.0833333) {};
+		\node [style=none] (7) at (0.25, 3) {$T_1$};
+		\node [style=none] (8) at (2.75, 1.5) {$T_2$};
+		\node [style=none] (9) at (3, -1.25) {$T_3$};
+		\node [style=none] (10) at (0, -2.75) {$T_4$};
+		\node [style=none] (11) at (-3.5, -1.75) {$T_5$};
+		\node [style=none] (12) at (-2.75, 2.25) {$T_6$};
+		\node [style=none] (13) at (-0.5, 0.5) {$C$};
+	\end{pgfonlayer}
+	\begin{pgfonlayer}{edgelayer}
+		\draw (0.center) to (5.center);
+		\draw (5.center) to (4.center);
+		\draw (4.center) to (3.center);
+		\draw (3.center) to (2.center);
+		\draw (2.center) to (1.center);
+		\draw (1.center) to (0.center);
+		\draw [style=Dotted] (6) to (0.center);
+		\draw [style=Dotted] (6) to (5.center);
+		\draw [style=Dotted] (6) to (4.center);
+		\draw [style=Dotted] (6) to (3.center);
+		\draw [style=Dotted] (6) to (2.center);
+		\draw [style=Dotted] (6) to (1.center);
+	\end{pgfonlayer}
+\end{tikzpicture}
diff --git a/tikzs/arbitrary_subtriangle.tikz b/tikzs/arbitrary_subtriangle.tikz
new file mode 100644
index 0000000..0a88814
--- /dev/null
+++ b/tikzs/arbitrary_subtriangle.tikz
@@ -0,0 +1,45 @@
+\begin{tikzpicture}
+	\begin{pgfonlayer}{nodelayer}
+		\node [style=none] (0) at (0, 5) {};
+		\node [style=none] (1) at (-10, -4) {};
+		\node [style=none] (2) at (5, -4) {};
+		\node [style=none] (3) at (0, 5.5) {$C$};
+		\node [style=none] (4) at (-10.5, -4.25) {$A$};
+		\node [style=none] (5) at (5.5, -4.25) {$B$};
+		\node [style=Medium dot] (6) at (-4.44, 1) {};
+		\node [style=Medium dot] (7) at (2.222, 1) {};
+		\node [style=none] (8) at (-6, 1) {};
+		\node [style=none] (9) at (3.25, 1) {};
+		\node [style=none] (10) at (-7, 0) {};
+		\node [style=none] (11) at (4, 0) {};
+		\node [style=none] (12) at (-2, 1) {};
+		\node [style=none] (13) at (-1, 1) {};
+		\node [style=none] (14) at (-1, 0) {};
+		\node [style=none] (15) at (-2, 0) {};
+		\node [style=Medium dot] (16) at (-1.5, 0.5) {};
+		\node [style=none] (17) at (-4.6, 1.25) {$P_1$};
+		\node [style=none] (18) at (2.4, 1.25) {$P_2$};
+		\node [style=none] (19) at (-0.5, 2.5) {$\vec r$};
+		\node [style=none] (20) at (-1.75, 0.75) {$Q$};
+		\node [style=Medium dot] (21) at (0, -4) {};
+		\node [style=none] (22) at (0.25, -4.5) {$H$};
+		\node [style=none] (23) at (0, -3.75) {};
+		\node [style=none] (25) at (0.25, -4) {};
+		\node [style=none] (26) at (0.25, -3.75) {};
+	\end{pgfonlayer}
+	\begin{pgfonlayer}{edgelayer}
+		\draw [style=none] (0.center) to (1.center);
+		\draw [style=none] (1.center) to (2.center);
+		\draw [style=none] (2.center) to (0.center);
+		\draw [style=Dotted] (8.center) to (9.center);
+		\draw [style=Dotted] (10.center) to (11.center);
+		\draw [style=none] (12.center) to (15.center);
+		\draw [style=none] (15.center) to (14.center);
+		\draw [style=none] (14.center) to (13.center);
+		\draw [style=none] (13.center) to (12.center);
+		\draw [style=Axis] (0.center) to (16);
+		\draw [style=Dotted] (0.center) to (21);
+		\draw (23.center) to (26.center);
+		\draw (26.center) to (25.center);
+	\end{pgfonlayer}
+\end{tikzpicture}