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Help needed: I need a picture of the results when using DG + Cross type pointer

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Dear everyone,
I am trying to create a matrix projection from a laser. Color is not essential on this stage.

The theory is that a cross-type laser and a "star field" diffraction grating in front of it will provide the result shown below.
Can anyone confirm this? Or provide a picture of the result if you own a DG and a cross-type laser?
All help is GREATLY appreciated! :yh:


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