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  1. 18-12-2019 #1
    Voicecoil's Avatar
    Lives in South Lakeland, United Kingdom.
    Voicecoil
    Last Activity: 07-11-2023 Has been a member for 6-7 years. Has a total post count of 609. Received thanks 87 times, giving thanks to others 14 times. Referred 1 members to the community.
    Looking at your pic with the straight edge it looks to me that the slope on the inside of the slot is slightly less steep than the slope from the slot to the outer edge. This would mean that your rail would be slightly canted if you go for fixing option 3).
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  2. 18-12-2019 #2
    devmonkey's Avatar
    Lives in London, United Kingdom.
    devmonkey
    Last Activity: 06-10-2024 Has been a member for 5-6 years. Has a total post count of 237. Received thanks 31 times, giving thanks to others 0 times.
    You have very keen eyes! Yes at the slot the extrusion is 0.15mm low both sides, since the outside flat is shorter than the centre flat it must be at a slightly steeper angle. I have measured and calculated the cant angle the 15mm profile would have as 0.055 degrees or 198 arcseconds, does this matter (it will be mirrored on the second rail).

    Or should I just man up and hit it with this:
    Click image for larger version.  Name: IMG_20191218_143649 (Large).jpg  Views: 2223  Size: 73.7 KB  ID: 26908
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