Knowledge Center

Learn how to replace noisy stepper motor drivers with TMC2208 or TMC2209 to make your 3D printer run near-silently, and what to watch out for during the upgrade.

Learn how to diagnose and safely resolve thermistor and heater cartridge failures behind the Thermal Runaway error on your 3D printer.

Learn when and why you should update your 3D printer's firmware — from critical thermal runaway protection to new calibration features and bug fixes.

Sagging bridges and poor overhangs are usually caused by insufficient part cooling. We explain how to improve your print quality with a fan upgrade.

If your hotend temperature keeps bouncing up and down, your print quality suffers too. Here's how to stabilize it with PID tuning.

Regular maintenance is the cheapest way to catch problems before they happen. We've put together a practical maintenance schedule — from weekly to yearly — for your 3D printer.

Are your FDM press-fit parts coming out too tight or too loose? Learn how to design connections that seat perfectly on the first try using the right tolerance values.

Correct GT2 belt tension is key to accurate 3D prints — learn how to test, adjust, and know when to replace your X and Y axis belts.

Is the frequently repeated 45-degree rule in FDM printing a myth or reality? We explain the true limits of unsupported overhangs in a testable way.

Stretching filament through the air between two walls is possible — but it has its limits. We explain how far you can bridge in FDM printing and how to prevent sagging.