- u -

• unsupported_bridge_edges : Slic3r::LayerRegion
• upper_layer : Slic3r::Layer
• use_external_mp : Slic3r::AvoidCrossingPerimeters
• use_external_mp_once : Slic3r::AvoidCrossingPerimeters
• use_firmware_retraction : Slic3r::GCodeConfig
• use_relative_e_distances : Slic3r::GCodeConfig
• use_set_and_wait_bed : Slic3r::GCodeConfig
• use_set_and_wait_extruder : Slic3r::GCodeConfig
• use_volumetric_e : Slic3r::GCodeConfig