298 views

### Is there a better way to produce a shape with exclusions in RegionPlot3D? [duplicate]

I'm attempting to create a certain shape. It's essentially a rectangular prism with an array of cylinders cut out of it, and then some half shells of cylinders along the sides. My attempt is basically ...
• 3,082
2k views

### How to plot the difference between two regions? [duplicate]

I'm trying to take the difference between two regions. In this case, one region is a cuboid, and the other is a cylinder. Here's what they look like drawn with Graphics3D: ...
• 3,082
933 views

### Low resolution with RegionPlot3D [duplicate]

To draw a cuboid with RegionPlot3D I can simply specify a function: ...
• 9,838
103 views

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10k views

### How do I draw a hemisphere?

I want to draw a solid or partially transparent hemisphere above a partially transparent cuboid object in Graphics3D. However, I do not know how to do this such ...
• 421
1k views

### Plotting the Layers of Earth

I want to generate a picture like below with Mathematica. I mean exactly the same thing, except maybe the map depicted on the outer layer. But I don't know where to start from! I would appreciate it ...
• 1,727
4k views

### Region bounded by x^2+y^2=1, y=z, x=0, z=0, in first octant

I need to draw (pencil and paper) the region bounded by $x^2+y^2=1$, $y=z$, $x=0$, and $z=0$ in the first octant. So the first assistance I asked of Mathematica is: ...
• 14.9k
2k views

### Controlling quality of discretized region meshes

EDIT: Impact of this problem has been considerably lessened in v10.2. Although new version is still not performing analytical discretization at sharp corners (there are jaggies), evenness of sampling ...
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### How to generate 3D spherical sector

I looked but haven't found an answer to this one: I'd like to create a region that represents a sector of a ball, bounded between radii $r_1$ and $r_2$, polar angles $\theta_1$ and $\theta_2$, and ...
• 4,149
958 views

### Tailoring RegionPlot3D with PlotPoints?

This seemingly tame solid gives Mathematica (v9) a bit of a workout if you want to generate a good picture: ...
• 3,321
1k views

### Graphics3D: Objects with holes

In a recent project, I found out that there is a big limitation when using Graphics3D to construct objects - it lacks the ability to construct objects with holes in ...
• 81
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### Filling between two spheres in SphericalPlot3D

Manipulate[ SphericalPlot3D[{1, 2 - n}, {θ, 0, Pi}, {ϕ, 0, 1.5 Pi}, Mesh -> None, PlotPoints -> 15, PlotRange -> {-2.2, 2.2}], {n, 0, 1}] I cant' ...
• 157
2k views

### drawing core-shell structure [duplicate]

I am pretty new in Mathematica drawing. I am trying to draw a core-shell structure, it means a core sphere with a shell sphere, like this It can be in 2D or preferentially in 3D. Does someone can ...
481 views

### Region rotated about the line y=2

Could a few people share the best way to display the image created by rotating the region bounded by $y=x^4$ and $y=1$ about the line $y=2$? Thanks. Update: I took JasonB's hint and tried this: <...
• 14.9k