Huh, Here I figured you'd go for a big ol' knife switch mounted to a vertical board.
That said, I'm sure you can find some old Office Depot "Easy" buttons you could repurpose.
That or have fun with something like this: https://www.johnnylawmotors.com/mi/8Hc8*Mke/3-toggle-switch-led-nitrous-activate-race-panel-chrome-aircraft-safety-covers
Like the Astra test flight, one of the motors didn't light. But the builder's TVC software handled it in stride.
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!