Came across this over on makerworld.com — maybe it could be handy for those of you with 3D printers?
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