This design comes from Gulfcoast Robotics,it supports for 3-point leveling with the stock heated bed. This reduces the time required to level and maintains a flat surface longer than the traditional 4-point plates, which can otherwise create bends and twists.It also supports traditional 4-Point .
This is new aluminum alloy plate to upgrade existing Y carriage plates on pupular creality ender-3 ender 3 pro ender-3s 3D Printers. Plate is made of tempered aluminum alloy, brushed and anodized for perfect flatness and pleasing surface finish. This product will fix leveing issues that you might have on your Ender 3 Ender-3s Ender-3 pro 3D Printers due to twist on original Y carriage plate.