How should we AirDrop ERC1155 animal models to you?

We are planning to AirDrop animals 3D models to you. This is example of such model: https://testnets.opensea.io/assets/0x04bc369bbcc2b6f5d9aca6c6fe2201c844ebc843/1

This will be ERC1155 (the same as soul passes), each animal will have its own model.

Should we use Polygon (and we will pay for AirDrop by ourselves) or we should use Ethereum Mainnet, but you will require to pay for the mint (~0.02 eth, depending on gas price during hours you mint). Both will be visible on OpenSea inside your wallet with Digital Animal NFT.