Nice idea but those pleats will be a bear to keep clean. If I had a shower curtain I would buy a longer one. Plus you can throw them in the wash to clean them.
Want more room?
Then try a "curved shower rod like these: Amazon.com: curved shower curtain rods: Home & Kitchen
Good mod,I see you are from Calf.but you might still want to (Turn the Shower Assy Over)! In Cold locations it lets the outlet Drain(Down)! But it also allows your Knobs to (Turn like in your Home)! F/R installs them both ways,so 50% of the time they are Correct! Youroo!! I will post Pic. below!