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Lumenlab > LLAVS: Lumenlab AVS > Advanced Projector Builder > Projectors based on small panels
battle_axe
hey i am a bit new to this so bear with me i have got a 7"lcd and am going to mmake a PJ from it should i cut the frensels to the same size as the lcd and how should i do this?
jimbo12d
Scissors gave me bad results so I used a plastic cutter on the smooth side of the lens. A plastic cutter is an exacto knife with a hook on the end. It can be found by lexan or other plastics at home depot.

Make sure to keep the same center on the fresnels (you must cut off the same amount on top as on bottom and on left as on right).
Quasi_Mojo
Google: site:lumenlab.com cutting fresnel
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