Visit the game's official website and tap on the ‘Create’ button. Click on the 'Download it here' button to get the particular template (Image via Roblox) Step 2: Next, select the ‘Shirts ...

Use Roblox's size guide for each template part. Now it's time to create an image for the shirt. Open the template in any image editor; some free options recommended by the developers include GIMP ...

Gamers can customize their avatar by creating clothing, like shirts and ... For each template, notice that the parts are "folded up" and wrapped around a Roblox character's body, arms, and ...

so you'll need to design a t-shirt in an image and then upload it to Roblox. From there, just select it to wear and you're sorted! You'll be best off having a couple of templates for this!