E.L. James may have wrapped filming for the movie adaptation of her bestselling book, Fifty Shades of Grey, but that doesn't mean she doesn't still have sex on her mind.

James has teamed up with Lovehoney for their Design a Sex Toy contest.

"Are you a sex toy connoisseur? An engineer? A graphic designer, inventor or incessant doodler?," Lovehoney says in the competition's description. "Send us your sex toy idea and we could turn it into a product that earns you more than £100,000 in royalties!"

The Fifty Shades of Grey author is a special guest judge for the contest, which has hope that the winner's naughty toy could "be the next addition to Ana and Christian's collection."

"There are 3 categories to enter: Sex Toys for Men, Sex Toys for Women and Sex Toys for Couples," Lovehoney explains. "The winner of each category will win £1,000 and the Judges' Pick will receive an extra £2,000, making it a grand total of £5,000 of prize money ... plus the chance to have your toy made and earn royalties!"

Other competition judges include Eric Kalén, Founder of Lelo and Tickler, Bonny Hall, Lovehoney's Head Buyer and Alice Little, Sex Toy Category Manager. The submission deadline is July 2. A previous Design a Sex Toy winner was the Sqweel, designed by Dublin, Ireland's Trev Murphy. Lovehoney reports that it has sold "hundreds of thousands of units."

If you are looking for inspiration for a winning sex toy design, perhaps you can draw it from the same place as James herself. Yesterday, James uploaded a picture to her Twitter page showing her listening to You'll Never Find Another Love Like Mine by Michael Bublé.

"Inspired Fifty Shades Freed...," James tweeted.

The Fifty Shades of Grey movie hits theaters on Feb. 13, 2015. Recently, a trailer for the movie was shown at CinemaCon and raised eyebrows for its lack of sexuality, which seemed to be replaced by "tame" and "romantic" scenes, according to viewers. Donna Langley, Universal Pictures chairman, called the film the next "iconic screen romance."

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Follow Scharon Harding on Twitter: @SH____4.