Creation of a website for integration with web wallets 3. (the most common, such as Metamask, etc.).
Within the site a specific section for the Marketplace (opensea type) for the sale of NFTs.
The NFTs in GBL file questions are 3D models for the metaverse.
It will be important to implement the ERC1135 (multi token) protocol and the ERC4907 (Rentable) protocol in the NFTs that will be minted on the Polygon blockchain.