Description
Turn your HP41 calculator into a blanknut! We designed a 3D-printed thin overlay that fits tight on the overlay space of the HP41, and to which you can paste functions with our sticker page.
Each overlay includes a sticker page
Turn your HP41 calculator into a blanknut! We designed a 3D-printed thin overlay that fits tight on the overlay space of the HP41, and to which you can paste functions with our sticker page.
Each overlay includes a sticker page