Ikea Stolmen Clamp Hook

Clamp for vertical posts of Ikea's Stolmen shelf/storage system. The contraption with the hooks was basically motivated by "there ought to be a hook here". Designwise I tried to fit into the swedish aesthetics. When properly mounted, the gap between the halves almost vanishes.
Included are the hooked version and a basic empty clamp design for your perusal, both as STLs for meshmixing and as Fusion360 archive, should you go the engineering road.
The thickness and height do not correspond to the original clamps, but hey, we go plastic, the swedes went metal.
With the bolts tightened it gets loads of friction and grip. I did not manage to shift or turn it, so I did not leave tolerance for the soft padding usually included with the originals.