git clone https://github.com/CtorW/Plymouth-Maker-Script.git ~/plymake
cd ~/plymake
./plymouth-maker.sh
Note
Make MP4 1920x1080 for better animations.
example.mp4
sudo nano /etc/systemd/system/plymouth-wait-for-animation.service
[Unit]
Description=Waits for Plymouth animation to finish
Before=plymouth-quit.service
[Service]
Type=oneshot
ExecStart=/bin/sleep TIME
[Install]
WantedBy=plymouth-start.service
sudo systemctl enable plymouth-wait-for-animation