You can shop for t-shirts, hoodies, stickers, mugs, and more using the Teepublic and RedBubble links below
I would recommend using RedBubble as the shipping will be much cheaper than use Teepublic as they can manufacture the products in Australia.
RedBubble will also work for USA and the UK as they manufacture from there as well.
The Teepublic store has the same designs as RedBubble.
Get someone with a 3D printer to print one of the 3D models I have available for free on Sketchfab.
View the models on SketchFab