# set terminal svg size 600,400 dynamic enhanced fname 'arial' fsize 10 mousing name "surface2_9" butt solid # set output 'surface2.9.svg' set dummy u,v set key bmargin center horizontal Right noreverse enhanced autotitles nobox set parametric set view 50, 30, 1, 1 set isosamples 50, 20 set hidden3d back offset 1 trianglepattern 3 undefined 1 altdiagonal bentover set style data lines set ticslevel 0 set title "Interlocking Tori" set urange [ -3.14159 : 3.14159 ] noreverse nowriteback set vrange [ -3.14159 : 3.14159 ] noreverse nowriteback splot cos(u)+.5*cos(u)*cos(v),sin(u)+.5*sin(u)*cos(v),.5*sin(v) with lines, 1+cos(u)+.5*cos(u)*cos(v),.5*sin(v),sin(u)+.5*sin(u)*cos(v) with lines