You may use non-sequnetial feature to do it. ni gp83:
M:h~;+s
creating a single lens and duplicate it using array and the tool under NSC Editor > Tools > Replicate Objects. You will also need to make use of tilt to get the right angles. Nko;I?Fn
v`B7[B4K3
If you employ the symmetry of the object you wish to create you should be able to reduce the number of objects needed to achieve it. +O:Qw[BL/Z
P- ma~g>I
