Replace a dull or clogged nozzle, or find the right nozzle for a new printing job.

Shield your 3D printer's heating element, or hot end, from sticky filament buildup with these nonstick silicone covers. By repelling plastic and keeping the heating block clean, they increase the heating block's life and prevent stuck filament from dripping off and ruining prints.

For accurate printing, these heaters help the bottom layer of parts stick to the print surface of your 3D printer without shifting. They also prevent parts from warping—these heaters are recommended when printing most kinds of plastic.

Keep high torque drive (HTD) timing belt systems running tightly with these idler pulleys. Made with built-in, free-spinning ball bearings, they're installed on shafts or belt tensioners to remove slack from timing belts.