Download free PDF Step by step guide 1.Fold the fabric in half, wrong sides facing. Cut as shown. You should now have: 1 x sole (right) + 1 x sole (left), 2 x sides (right) + 2 x sides (left) in both colours. For the midsole, cut 2 x soles in Style-Vil (1 x right + 1 x left ) or 4 x soles in Thermolam (2 x right + 2 x left).2.Outer slipper: Sew 2 sides together, right sides facing (0.5 cm seam allowance). Inner slipper (lining): Sew 2 sides together, right sides facing (1 cm seam allowance). Press seams flat.3.Sew the midsole (a single layer of Style-Vil or 2 layers of Thermolam) to the wrong side of the inner sole (0.5 cm seam allowance).4.Outer slipper: Sew the sole to 1 set of sides (0.5 cm seam allowance). Inner slipper (lining): Sew the sole to 1 set of sides (1 cm seam allowance). Trim seam allowance to 0.5 cm. NOTE: Make sure that you make one right and one left slipper.5.Turn the outer slipper to the right side. Insert the inner slipper into the outer slipper, wrong sides together. NB: Make sure that you have right with right and left with left.6.Sew these pieces together along the top edge (0.5 cm seam allowance). If you wish, you can apply raw latex to the soles to make your slippers non-slip.