If you were looking for information on "making a piece" in the sense of or using the NSP/update file , ensure your console is running compatible custom firmware (CFW) like Atmosphere 0.17.0 or higher to properly recognize the Version 1.0.3 update. Miitopia NSP/ XCI ROM v1.0.3 Download - NSWpedia.com

Download Miitopia XCI Full Game + Update * App name Miitopia. * Genre RPG. * Version 1.0.3. * Size 3.02 GB. * Release Date May 21, NSWpedia.com

The specific released for Miitopia added support for the Power-Up Band (amiibo) . By scanning this band while talking to the Nintendo Fan in-game, you can unlock a unique character outfit , which can serve as a key piece for your Mii's overall look.