Brick line runner.
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Previously:
https://www.homemadetools.net/forum/...541#post166677
https://www.homemadetools.net/forum/...201#post165398
https://www.homemadetools.net/forum/...539#post151388
https://www.homemadetools.net/forum/...349#post110233
https://www.homemadetools.net/forum/...2761#post97076
https://www.homemadetools.net/forum/...3525#post99317
https://www.homemadetools.net/forum/...947#post152927