Mechanical machines are those machines, in which the decorative designs are selected mechanically by the selector knob whereas the stitch length and width are manually selected.
There are other factors which have to be considered like brand, budget, and purpose to help you have an idea of a machine which is suitable for you. Please get in touch with us for more details or visit our store for a complete demo.
Those machines, in which the decorative designs are selected by just a touch of the button or electronically by the selector button; and the stitch length and width are also selected electronically are computerised sewing machines.
No, as these are sewing machines that have in-built designs, external designs cannot be added onto the machine. But this option is available in the embroidery machines where you can create your own designs and can be added.