The Longer LK5 Pro is a large-format FDM printer with a 300 x 300 x 400 mm build volume, aimed at hobbyists who want big prints without a kit build. It arrives about 90% assembled and runs a 4.3-inch color touchscreen, an open-source board with three TMC2208 stepper drivers, and a dual-blower parts cooling setup. It competes with other budget large-volume printers on build size and quiet operation rather than on enclosure or auto-leveling. Owners rate it highly, praising print quality and value, while noting it is a basic machine that expects some tuning.
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Owners rate the LK5 Pro highly, with most praise going to print quality, the large build area and quiet operation for the money. Common complaints center on manual bed leveling and the tuning needed to get consistent first layers.
The Longer LK5 PRO is an FDM 3D printer with a large build volume of 300 x 300 x 400 mm (11.8 x 11.8 x 15.7 in). It has an upgraded dual blower kit for cooling.
The printer has an all-metal integrated frame with dual tie rod support for stable, high-precision printing. Its open-source motherboard uses three sets of TMC2208 chipsets for quieter printing. Prints stick to a carborundum glass platform and come off it more easily.
The printer arrives 90% pre-assembled and is operated from a 4.3-inch full-color touch screen. Resume printing and run-out protection help safeguard a print if it is interrupted or the filament runs out.




