Don't worry about any of that now just use what you have.
The BulldogSDCarriagemount is the setup you will be using with your new bulldog.
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SDBearings1.jpg
SDBearings1.jpg 105.91 kb, file has never been downloaded.
SDBearings2.jpg 115.27 kb, file has never been downloaded.
SDBushings.jpg
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Printit Industries Model 8.10 fully enclosed CoreXY, Chamber heat
3-SD3's & a Workbench all fully enclosed, RH-Slic3r Win7pro, E3D V6, Volcano & Cyclops Hot End
SSR/500W AC Heated Glass Bed, Linear bearings on SS rods. Direct Drive Y-axis, BulldogXL
Thanks to all for your contributions