The Skyart Power Solo is an extremely powerful electric vehicle speed controller based on the vesc project and sold by Skyart Power online.

https://skyartpower.com/products/skp-solo-esc

This ESC is a great option for a powerful and reliable controller, up to 18s on electric skateboards, and I've got it installed in my electric Raceboard. You can check out the tutorial below on how I installed my Solo pair with the conjoined heatsink in my build.

This design was adapted from the lid of my ESCHome Modern, which can be found for sale on pevcomponents.com

https://www.pevcomponents.com/product-page/esc-home-modern

ESCHome Modern provides a convenient mounting solution for your DIY electric mountainboard, and the Solo variant will be available for purchase soon.

This print is very basic. I recommend a minimum of 2 to 3 walls for rigidity, and 20-25% hexagonal infill just to make it so you can tape it down securely on whatever you're cutting. Any filament really works, I used PETG for mine.