If you also want to drop the column along with shortening it, I have a 3D printable bracket to drop it and also move the holes back so you don't have to re-drill.
https://www.thingiverse.com/thing:4197710
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If you also want to drop the column along with shortening it, I have a 3D printable bracket to drop it and also move the holes back so you don't have to re-drill.
https://www.thingiverse.com/thing:4197710