Normal
On ADT link's 2280 risers they have the hole pattern and a painted line for fitting the riser in shorter m.2 sockets. It appears that, with a knife or dremel, you could cut the riser at this line and be able to fit it into a shorter m.2 slot, assuming it was an NVME slot. I haven't tried it, but maybe this means it's possible to use their x16 gpu risers in a shorter m.2 socket like a 2242. They also sell ones which look to natively fit 2242.Although a 2230 would still be too small like you said.Possibly could 3d print a little adapter to hold the 2242 riser in place if there is physical space.
On ADT link's 2280 risers they have the hole pattern and a painted line for fitting the riser in shorter m.2 sockets. It appears that, with a knife or dremel, you could cut the riser at this line and be able to fit it into a shorter m.2 slot, assuming it was an NVME slot. I haven't tried it, but maybe this means it's possible to use their x16 gpu risers in a shorter m.2 socket like a 2242. They also sell ones which look to natively fit 2242.
Although a 2230 would still be too small like you said.
Possibly could 3d print a little adapter to hold the 2242 riser in place if there is physical space.