About this 3D model
Use a drill and this attachment to organise your embroidery floss, by winding your bobbins quickly and easily with no arm work. Install the spindle into the drill chuck and tighten. Push your bobbin into the open slot and internal grip points will hold it for you whilst you use the drill to undertake the winding, just move incoming the floss from side to side on the bobin keeping the floss untangled and laying relatively even. Thinner bobbins might move a little side to side but are still easy to wind.