This idea came from a published author and user of MMC devices, Brenda. She has created a list of potential ideas for devices. This post describes one of the device ideas:
A device that would hold a ruler steadier and then help the individual align a pencil with it and then run a pencil or box cutter along the ruler. This would be some type of device that would be able to be attached to most rulers easily. Ideally, it would be able to be removable without damaging the ruler.
We are looking for a designer/maker to develop this device. Brenda is open for contact for any feedback or details but currently is not on the forum, so feel free to reach out in the comments to be put in contact.