pattern
Construct/make a tetrahedron, which is three-dimensional.
it is a sculpture
Modeling
A net is a two-dimensional figure which can be folded into a three-dimensional figure. It's a little difficult to describe in words . . . To make a regular triangular prism, start with a rectangle, and divide it into three equal (narrow) rectangular strips. on the two ends of one of these strips, make equilateral triangles.
pattern
No, humans are three-dimensional beings. We have height, width, and depth, which make us three-dimensional entities.
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in a program called blender, or adobe flash $600
A painting is a two dimensional artwork; a sculpture is a three dimensional artwork.
I believe one of the "Manga Studio" versions have a flash program.
There is a good basic, animation program called Pencil. It is completely free, unless you want to make a donation. It's pretty good for a free thing!
oil
I know for one that the program known as Macromedia Flashwas used. Also note that the animation was made by Alan Becker. However,macromedia has been taken over by Adobe. The program flash is still available,however. NB:DOWNLOADING COPYRIGHTED MATERIAL MAY BE ILLEGAL IN YOUR CONTRY!
You should not buy a animation program if you do not need too. You can find perfectly good animation software right online, such as blender.org. Blender is a free 3d animation prgram which can offer reasonably high graphics and can make movies, games, and a bunch of other things to. try googling blender.org
A tesseract is a four-dimensional object, therefore it is impossible to fully portray in three dimensions. However, there are several methods for limited portrayals of tesseracts: a three-dimensional shadow can be shown (just like a 'normal' shadow is 2D of a 3D object); a two-dimension or three-dimension projection can be constructed with the fourth dimension shown at 45° angles to the Z-dimension (in this way two parallel cubes are drawn with each similar vertex connected by a line); or the fourth dimension can be assumed to be time, and an animation of three-dimension projection altering as it rotates around itself.
Construct/make a tetrahedron, which is three-dimensional.