from april first wiki: https://minecraft.fandom.com/wiki/USB_Charger_Block
Charge your USBs I guess? It sends a redstone signal for 15 blocks
join the reddit https://www.reddit.com/r/Pixelpapercraft/
1. Click on the papercraft design image.
2. Make sure it has not been resized by your browser (you might need to click the image again).
3. Print using your browser's Print function.