DIY 3D printed option?
There are a number of options for 3D printed IOMs out there at present, but few are free to the DIYer. This free design seems a great option and is a forerunner to the designers further developments which look fantastic.
https://3dprintedradioyachts.com/welcome-iom-3d-skiff/
There’s heaps to read and look at if you are into 3D printing boats on this site.
https://3dprintedradioyachts.com/