Blob_threshold=0.0001; #declare double_torus=isosurface { function //Smoothed sum of two level surfaces { f_torus((abs(x)-0.15+abs(abs(x)-0.15))/2,y,z+0...
0001; #declare double_torus=isosurface { function //Smoothed sum of two level surfaces { (1+Blob_threshold) -pow(Blob_threshold,f_torus(x+0.6, y, z, 0.5,...
