This software is now useless because Mojang killed the legacy skin server (skins.minecraft.net) from a statement from Dinnerbone on their bug tracker.
Like someone fork it then make the changes to make it work again but that'll require like an API call to convert the name to uuid, then get the uuid's skin then decode the base64 string and poof you have the player's skin...
I had to make a PHP file to make my Skin API to work again but the code is a mess, there's no "cache" inside but within Minotar (legacy PHP code) does have a 24-hour caching system in place
I hope @Paril will someday update it but the last update was in May 2016... Well time to ditch MCSkin3D and use NameMC then... RIP :'(
Rollback Post to RevisionRollBack
MagicLauncher is the best launcher I ever used! Hoping the developer would update for 1.13.x and 1.14.x
I am here to report a bug though its probably more accurate to say design flaw. You cannot make blank skins. Please fix this as soon as it is possible. Also, if you retire this program completely, (please don't!) give us a version history instead so we can go back a version to before this bug made its appearance.