For all users that have created an account and access the STFX dApp via the built in Privy integration, the steps to access your funds are very simple.
Click on your profile picture at the top right of the screen, and select 'Settings'
Click on 'Export' to export the Private Key of your Privy wallet
Paste your Private Key into a wallet app, such as Metamask, which will give you access to all of your available funds