/*Inspiration*/ import Lsystem; import animate; settings.tex="pdflatex"; settings.outformat="pdf"; animation A; size(10cm,0); string[][] rules={{"X","^>XFX&F+>>XFX-F>X->"}}; Lsystem3 HilbertCurve3D=Lsystem3("X", rules, La=90, Lai=0); HilbertCurve3D.iterate(3); path3[] g=HilbertCurve3D.paths3(); triple M=(max(g)+min(g))/2; currentprojection=currentprojection=orthographic((10,10,6)); for (int angle=0; angle < 360; angle += 2) { save(); draw(rotate(angle,M,M+Z)*g[0], linewidth(bp)+0.9*yellow); A.add(); restore(); } A.movie(BBox(3mm, Fill(black)));