A gadget that can tickle your desire for a long time.
Until now, there was a handy printer for business use, but this seems to be very easy to use.
by the wayNIKE's NY shopBut I printed various signs directly on the wall with this kind of device.
With more types of ink, it may be more interesting to print on the T-shirt on the spot.

https://www.ricoh.co.jp/printer/handy-printer/