Creality Ender 3 Pro Assembly Instructions V1.0
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1.5
Confirm each of the Z-axis uprights are squared to the base by
using a Square (e.g. machinist square, set square, rafters square
etc.) to ensure an angle of 90°. If not exactly square, untighten
the screws and attempt to reseat the upright. If still not square
after this, additional frame bracing or gussets may be required.
