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Did a small experiment last night after spending some time cutting out a Bahtinov mask from a template. I just printed out Davids template onto a piece of very clear and uniform acetate sheet used for making overhead slides/presentations and stuck it onto the front of my scope theorising that you are just looking for a diffraction pattern and not resolution.
Worked perfectly, thus no need for tedious cutting out. Might be worthwhile for those of use not allowed to play with sharp instruments even with supervision
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