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You’ll have to wait for a few minutes for them to heat up. Be careful not to touch
the bottom of the Step exstruder while it’s heating -- it gets up to about 220° C,
which is hot and can burn you! 4.6 - 4.7
Once the nozzle is at temperature, The Duplicator 3 will tell you to load filament in
the right-hand Step exstruder. 4.8