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kidwarp | 2 months ago (raw) | root | parent | reply | flag +3 
 https://www.eurooptic.com/optics/anti-reflective-devices.aspx
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kidwarp | 2 months ago (raw) | root | parent | reply | flag +1 
 These can also be 3d printed…
The files are already out there I believe…
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NunyaBidness | 2 months ago (raw) | root | parent | reply | flag +2 
 Is it for a gun scope or something?