# Tag Info

### How do I draw an anticlepsydra in LaTeX?

This is an easy way to do it. In 2d and using a 'fake cavalier' perspective as in the OP picture. The shadings are not necessary. I made them trying to control the transparency and the light of both ...
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### Truncated Icosahedron in TikZ?

Let's start with the skeleton. Coordinates are copy from polyhedron_js.asy. \documentclass[border=9,tikz]{standalone} \usepackage{tikz-3dplot} \begin{document} \foreach\s in{2,4,...,360}{ \...
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### Gauss mapping image

NOTE that: I don't know either what I am drawing. :) Drawing 3D image in Asymptote is a difficult problem for both my knowledge and my computer (it is weak). You can add mesh for surface. You can also ...

### How do I draw an anticlepsydra in LaTeX?

You can use 3dtools. With phi=90, you can try \documentclass[border=2mm]{standalone} \usepackage{tikz} \usetikzlibrary{3dtools,calc}% https://github.com/marmotghost/tikz-3dtools \begin{document} \...

### Planes tangent to a cylinder

Perhaps something like this? I'm using TikZ 3d and isometric perspective. There are a couple of simplifications. Some points were found by trial-and-error over the sphere (if you see an angle not ...

### How do I draw an anticlepsydra in LaTeX?

A bit try with Asymptote! Compile the following code at http://asymptote.ualberta.ca/ // settings.render=10; import solids; size(10cm,0); currentprojection=orthographic(1,0,0.15); currentlight=White; ...
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### How to draw the solids to refer to cylindricals coordinates

Something to start with: \documentclass[border=10pt]{standalone} \usepackage{pgfplots} \pgfplotsset{compat=1.18} \usetikzlibrary{3d, fillbetween} \begin{document} \begin{tikzpicture}[line join=...
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### What causes a rotating 3D object to get displaced unexpectedly?

\documentclass[pstricks,border=12pt]{standalone} \usepackage{pst-solides3d} \psset { object=parallelepiped, lightsrc=viewpoint, Decran=30, solidmemory, grid=false, incolor=red, ...
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### \defFunction in PStricks / pst-solides3d /

How does \defFunction work? In the form you use it, it takes 5 mandatory arguments that specify a parameterised version of a three-dimensional function. More specifically, \defFunction{<name>}(...
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### How to draw a paraboloid?

\documentclass[border=10pt,pstricks]{standalone} \usepackage{pst-solides3d} \begin{document} \psset{unit=.65,viewpoint=40 30 22 rtp2xyz,lightsrc=viewpoint} \begin{pspicture}(-5,-4)(6,10) \defFunction[...

### Gauss mapping image

About intersection of a plane and a sphere, you can try this code. Note that, if a sphere has radius R; distance from the center of sphere to the plane is d,then intersection plane and the sphere is a ...