Maker builds AI-scripted macro keypad, starting with a messy Downloads folder
Someone with a chronically messy folder asked Claude to write a script that sorts files into folders by type. The script worked, but they never remembered to run it manually, so they wired it to a single key on a 3x3 they built themselves. One press now sorts the whole folder.
That fix turned out to be just the first use case: the pad became a general place to store any multi-step task they got tired of doing by hand. Another key runs a completely different workflow — exporting a specific part from the FreeCAD design tool, saving it as an STL file into a folder named with today's date, opening it in slicer software, and sending it to a , all in one press instead of several manual steps. The process is simple: describe the desired task in chat, let AI write the script or macro, then map it to a key on the pad.
The whole device — , , a small OLED screen showing the current preset, and a Windows app to manage it — was built from scratch by the same person.
Key points
- Asked Claude to write a script sorting by file type
- Mapped the script to one key on a self-built 3x3 for one-press execution
- A second key automates FreeCAD part export, dated STL save, slicer opening, and print sending
- Built all , , OLED display, and a Windows app from scratch
- Workflow: describe the task in chat, AI writes the script, map it to a key