Hi Michel,<br><br>try<br><br>ls[] = Rotate { {0., 1., 0.}, {0.,0.,0.}, 1.6} {  Duplicata{ Line{100};} };<br><br>instead of<br><br>ls[] = Rotate { {0., 1., 0.}, {0.,0.,0.}, 1.6} {  Duplicata{ Spline{100};} };<br><br><br><br>
Best regards,<br>Mikhail<br>