Printing without warping and easier Made from environmentally friendly PLA material, the printed model has low shrinkage and is easy to print without warping. Smooth printing, precise control of filament diameter, automatic EPC coiling adjustment, to ensure neat PLA filament, smoother feeding and printing. Same diameter, no tangles, tolerance ±0.03 mm. Printing without clogging. High purity raw materials, good fluidity allows uniform and smooth extrusion of the filament during printing. The nozzle does not clog and the print success rate is improved.