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Slic3r Manual

When printing several objects at once it can be useful to print each one separately as this will minimise oozing and strings running between the prints. It will also decrease the risk of a problem ruining the entire print - if one part detaches or fails in some way, it will not be dragged into other parts of the print during each layer.

Sequential printing options.

Sequential printing options.

Care has to be taken that the nozzle and extruder does not interfere with already printed parts. Slic3r should warn if it detects the nozzle or extruder will collide with a part, but double check that the layout of the parts will not cause problems. The Extruder clearance parameters help Slic3r detect potential collisions:

The clearance cylinder around an extruder.

The clearance cylinder around an extruder.