Not particularly well-versed in creating a paper wallet in bitcoin, let alone for altcoins, but you can check this thread.
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[Guide] Create an Offline Wallet For Bitcoin and Altcoin Only Use 1 PaperOn a side note, isn't it preferable to use a hardware wallet rather than a paper wallet that's conventional and difficult to use? Or if you don't have the budget, you can just use a custodial wallet.
Same thoughts here. There is literally no to zero craze about the paper wallet unless and until you are too old guy who loves to read stuff on paper and consider it as valid proof. Anyways whenever you have to use it, you will need to access the Internet and you can not just send the paper wallet if you want to pay. I mean, at the time of creation you will have your private keys generated and printed so it would not be viable to send it to others as trust issue would always be nearby.
In addition to this, you can always loose your paper wallet way way easily. So better keep it online, make copies, and have safe cryptoying!