For each template, notice that the parts ... Your next step is to upload your shirt by selecting it on the Roblox create page. Hit Choose file and then Upload. Once your shirt is ready it will ...

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 ...

Note: Users should have Roblox Studios installed on their PCs to create a custom shirt design. The developers have made templates for items like shirts available on the internet, and players must ...

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!