If you are looking for gameplay content like or Keys , these were built-in from the start in the 3DS version rather than being added in later patches like they were on the Wii U.
Are you planning to locally with friends, or are you mostly playing through the 100 Nintendo-made stages ? How to Update Super Mario Maker for Nintendo 3DS Super Mario Maker Update v1.05 3DS (EUR/JPN/USA...
Because the 3DS version famously lacked the ability to upload levels to a global server, StreetPass and local wireless were the primary ways to share your custom creations. This update ensured that the core "Share" pillar of the game remained stable for the handheld community. Key Context for 3DS Version 1.05: If you are looking for gameplay content like