Laser pen lens tip

This is a tip to set a special lens for a laser pen in order to draw a laser line rather than a spot.

That's the kind of lens I'm talking about:
https://www.ebay.com/itm/10pcs-110-Laser-Line-Generator-Lens-f-Laser-Diode-Module-Colophony-Plastic-Lens/111202448570

I have used this kind of laser line to light up my laser zoetrope:
https://www.thingiverse.com/thing:3382627