- 3D Printing Pen Mat Drawing Board can work with the 3D print pens. - The grooves of drawing mat can keep the hot filament in the place and prevent warping. - Once the filament cool that can be popped out and remains solid that can fuse with other pieces. - Easy to create different shapes of 3D pen drawingIf you have any problem for this 3d Printer Accessories please feel free to contact with us.