This open source icon is named "companion cube" and is licensed under the open source CC BY 3.0 license. It's available to be downloaded in SVG and PNG formats (available in 256, 512, 1024 and 2048 PNG sizes).
profile Icon - Download for free – Iconduck
matrix Icon - Download for free – Iconduck
Cube Icon
Companion Cube Vector by MangoTangoFox on DeviantArt
weather few clouds night 110 Icon - Download for free – Iconduck
resource group new Icon - Download for free – Iconduck
Companion Cube Stickers for Sale
Crossed Swords Icon, FluentUI Emoji Mono Iconpack, crossed swords emoji
companion cube Icon - Download for free – Iconduck
Portal Companion Cube Sign by Saatvik Bhayana, Download free STL model
Crossed Swords Icon, FluentUI Emoji Mono Iconpack, crossed swords emoji
I remade the companion cube icon for an animation I am trying to make, what do you all think? : r/geometrydash