Easel is a web app, but since the graphics, design, and g-code generation are handled locally, even the most rudimentary CAD suite would choke the decidedly low power Raspi. Instead, [Sacha] is ...

the team have reinvented Design as a GNOME application along with the original aim to provide a native CAD experience whether on the move with a mobile device, pocket PC or at a traditional ...

You can also copy the CAD folder to your workstation: No load nor save possibls from this setup, though... There is a TODO list where you can learn the actual state of the project. I might update from ...