43 questions linked to/from Simulating hand-drawn lines
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### Tikz: How to indicate/display overlapping lines

I have the following simple picture: Is there a way to better illustrate the small overlapping interall of LS and LD? I know I could define this area by another line for example and use different ...
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### draw a technical instrument geophone

Could you help to draw the geophone? \documentclass[border=5mm,tikz]{standalone} \usetikzlibrary{decorations.pathmorphing,patterns} \begin{document} \begin{tikzpicture} \pgfmathsetmacro{\...
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### A gift symbol with text underneath in tikz [closed]

I wish to draw a parcel wrap symbol that has text "A gift from ..." underneath. The knot should not be too realistic, as shown in the figure. The vertical rope should be removed so that text appears ...
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### Add annotation on beamer slide, simulating hand-drawing?

I would like to add on my beamer slides something that simulate as if I had been drawing a comment by hand. This would circle, come on top of text or formulas, and allows to insert text. Ideally, I ...
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### How to draw this in tikz?

I have the following drawing, that I want to somehow replicate in tikz (or similar if that would be easier). The important part that I cannot figure out is how to have the arrow/semi-cone opening up ...
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### Toward a Stamper Package

Imagine that you want to simulate a hand stamp on every page in some large documents. It must be an imperfect print, with random page-to-page variations in ink intensity, fading, rotation and blur. ...
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### Handwritten comments and annotations in margin

Is it possible to typeset handwritten comments and annotations in the margins around a paragraph like in the example below? What would be the closest approximation of this done in LaTeX?
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### How can I put real notes in the margin?

I'm looking to write a fictional description/discussion by a 'scholar' of an alien race for an RPG, but I can see this being handy elsewhere. I'd like to put his 'notes' in the margins of some text he'...
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### TikZ two-blocks matrix

I would like to get a plot like the one I sketched below, basically two blocks of the same matrix with arrows going up and anti-diagonally for the red block and arrows going up for the green one. The ...
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### How can we draw Christmas animations with TikZ?

In the spirit of How can we draw a Christmas tree with decorations, using TikZ?, how can we realize Christmas animations with TikZ? For example: or also:
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### Conditional using non-integer numbers

I am trying to generate fractals using affine transformations. I need to generate a random number in the interval (0,1), and depending on the value of this random number choose a function to ...
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### “Countryball” comic with TikZ. How to shade a 3D object with different stripes on it?

Countryball (if I'm not mistaken originally Polandball) is a web comic versing on crude political jokes, some of which I find hilarious. In some sense, the idea is analogous to the spherical cow ...
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### Have a new seed in pgfmath more often

I'm using pgfmath in my code since I need some randomness and I want the seed used for the randomness to be updated each time I compile. I read that pgfmath is updating the seed every minute, which is ...