This stencil has 9 evenly spaced lines (each 30 mm apart) but you can space the lines out more by only drawing every second (or third) line.
The stencil is made from 2 mm thick mdf board covered in ply wood. It has rounded corners and is ideal for A4 paper in portrait orientation . It has ruler on long side and 5 mm marking points on short side.
As most of practice paper for Arabic calligraphy is unlined, this stencil is extremely useful for turning plain paper into lined one quickly, making sure you have a reference line for your calligraphy practice.