With the update to Big Sur comes a new graphical paradigm, the squircle icon. The Vimac icon is almost there now – it just needs rotating and a bit of rounding + shading. Here's my idea of what the icon could look like:

I've opened a pull request to add this icon to to the macOS Big Sur Replacement Icons, and would be more than happy to make it official by opening a pull requests over here as well. Thoughts?