Measure the window width and height
Decide the finished shade length
Cut the fabric to size with seam allowance
Cut lining fabric to the same size
Press the fabric and lining
Sew the fabric and lining together, leaving an opening
Turn the shade right side out
Press the edges flat
Close the opening by hand or machine
Mark evenly spaced fold lines on the back
Sew horizontal pocket rows or rings at each marked line
Attach lift rings to the back of the shade
Install a headrail, board, or curtain rod at the top
Attach the shade to the headrail
Thread cords through the rings or pockets
Add cord guides if needed
Secure cords at the bottom
Mount the shade over the window
Test the lift and adjust the cord tension
Trim any excess cord
Add a bottom hem or weight bar if needed