ParametricPlot3D
ParametricPlot3D[{fx,fy,fz},{u,umin,umax}] produces a three-dimensional space curve parametrized by a variable u which runs from umin to umax.
ParametricPlot3D[{fx,fy,fz},{u,umin,umax},{v,vmin,vmax}] produces a three-dimensional surface parametrized by u and v.
ParametricPlot3D[{{fx,fy,fz},{gx,gy,gz},…},…] plots several objects together.
ParametricPlot3D[…,{u,v}∈reg] takes parameters {u,v} to be in the geometric region reg.
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