Is Dimitris story finished ?
Go to Design and then click Clients. You'll notice there's an important client task for you, which is to create a yellow sundress.
Your job is to buy the necessary missing parts and to recreate the dress exactly. Once you've finished this client, you'll be awarded with the yellow sundress outfit, and you can wear it by going to Outfit and clicking the category outfit, it should be in there :)
Make sure you use the password released on Patreon in the settings under "gift"
Detailed instructions are in the Patreon welcome post, be sure to read thoroughly :) https://www.patreon.com/posts/welcome-patrons-19940305