Shelf board retainer

For shelf boards that are placed on bolts in a row of holes. This small part prevents the board from lifting and sliding off the bolt.For the following dimensions:Hole spacing 32 mmHole diameter 5 mmShelf board thickness 16 mm +0.5I didn't have enough, so I quickly printed some myself.Printing:One version is trimmed and can be printed without supports. This should have little effect on stability, only slightly on appearance.The complete version requires supports.I printed from ABSx.