MakerBot PLA Filament, 1.75 mm Diameter, Small Spool, Green The best and most consistent PLA filament for your MakerBot Replicator 3D Printer Comprehensively quality tested at both 100-micron and 200-micron layer resolutions Guaranteed to have no heavy metals, phthalates, or BPA Compatible with the MakerBot Replicator Desktop 3D Printer, MakerBot Replicator Z18 3D Printer, MakerBot Replicator Mini Compact 3D Printer, and MakerBot Replicator 2 Desktop 3D Printer