Select #1-3 below to download the PNG file of your desired t-shirt. Free of charge. You can then use this file to create your own t-shirt via your preferred custom t-shirt maker.
First click on the link of the desired design. This will open a new page where you should see the image only. Then go to "File" on your computers main menu; select "Export as PDF" or "Save Page As..." depending on your browser; select where you would like to save it on your computer and from there you will upload it either to a site like Custom Ink or share it with your local t-shirt maker.