# set terminal png transparent nocrop enhanced font arial 8 size 420,320 
# set output 'surface2.4.png'
set dummy u,v
set key right below Right noreverse noinvert enhanced box linetype -2 linewidth 1.000 samplen 4 spacing 1 width 0 height 0 autotitles
set parametric
set view 45, 50, 1, 1
set isosamples 50, 10
set hidden3d offset 1 trianglepattern 3 undefined 1 altdiagonal bentover
set ztics border nomirror norotate -1.00000,0.25,1.00000
set title "Parametric Torus" 0.000000,0.000000  font ""
set urange [ 0.00000 : 6.28319 ] noreverse nowriteback
set vrange [ 0.00000 : 6.28319 ] noreverse nowriteback
set zrange [ -1.00000 : 1.00000 ] noreverse nowriteback
splot (1-0.2*cos(v))*cos(u),(1-0.2*cos(v))*sin(u),0.2*sin(v)