Found this on makerworld.com Maybe some of our 3D printer people could use this?
https://makerworld.com/en/models/1688373-magnetic-needle-guide-assist-for-insulin-glp-1?from=recommend#profileId-1800447
https://makerworld.com/en/models/1688373-magnetic-needle-guide-assist-for-insulin-glp-1?from=recommend#profileId-1800447
