MHB Creating Blob Surfaces in TikZ?

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The discussion revolves around creating a non-circular surface, referred to as a "blob," in a graphical representation. The initial query involves a circular surface with a defined normal vector, and the user seeks guidance on how to modify this to achieve a blob-like shape. Responses suggest alternatives, including the idea of using a bullet point as a visual representation, but the user clarifies that they are looking for a surface that deviates from a circular form entirely. The conversation highlights the need for techniques or methods to represent irregular shapes in graphical formats.
Dustinsfl
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Code: 
\begin{tikzpicture}[scale = 1.5]
\draw (0,0) circle (1cm) node[anchor = north east]{$\text{S}$};
\draw[->] (.70710678118,.70710678118) -- (1.4,1.4) node[anchor = south east]{$\vec{n}$};
\end{tikzpicture}

I have made a circular surface with normal vector. How can I make blob instead?
 
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dwsmith said:
Code: 
\begin{tikzpicture}[scale = 1.5]
\draw (0,0) circle (1cm) node[anchor = north east]{$\text{S}$};
\draw[->] (.70710678118,.70710678118) -- (1.4,1.4) node[anchor = south east]{$\vec{n}$};
\end{tikzpicture}

I have made a circular surface with normal vector. How can I make blob instead?
Do you mean something like $\bullet$

Maybe there is a way to change the size of this \bullet
 
earboth said:
Do you mean something like $\bullet$

Maybe there is a way to change the size of this \bullet

No I mean a surface that isn't circular i.e. a blob.
 

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