Overhead gantry with rollers - GIF

Overhead gantry with rollers.

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Previously:

https://www.homemadetools.net/forum/...440#post181790
https://www.homemadetools.net/forum/...212#post180640
https://www.homemadetools.net/forum/...735#post178736
https://www.homemadetools.net/forum/...112#post157486
https://www.homemadetools.net/forum/...307#post131104

Elegant design!

For more strength, I would find a way to encircle the angle track.

Rick

RS-
Good idea for short runs, but how would you provide additional support from above for longer distances?