I need to plot 6 points in 3D. I used the command 'Plot' but I couldn't draw it.
The coordinates of points $A,A',B,B',C,C',D$ are given.
$AD,BD,CD$ are straight line segments
$AA',BB',CC'$ are arcs ...
I want to draw an arc in 3D.
I viewed circles,ellipses and arcs in 2D with Circle[...] but when I want to draw and arc in 3D I can´t find any instruction for taht purpose.
The question is: Are there ...