...I have visited this cafe 2 times and asked to pay with Bitcoin but he wasn't agreed.
The wall art is really well done! Did it seem like it was a plastic cut design or wood ..3D printed and assembled or ?
All of the wall art made by wood. All of the wall art are designed from various cryptographic.
It is possible for someone to pay for coffee using Bitcoin is quite an ordinary thing, but I am sure that such trifles should not be paid using Bitcoin until the cost of a transaction on the Bitcoin network is even cheaper.
With Lightning Network, fees will drop significantly, however, it's still not that much although fees are same way volatile as the price of bitcoin.