Double pronged Pilaster Shelf support Clips

thingiverse

My wife has a bookshelf with these obscure pilaster shelf support clips on it. Most of Pilaster clips have one prong in the center of the clip, but these ones have two. I have searched and searched but have never been able to find any to replace the ones that have been lost over the years. So FTIJPI. Took a little trial and error, but I finally managed to get it to work, and now we don't have to replace the hardware on the shelf. To test the strength of the clips I placed exercise weights on the shelf and left them for a few weeks. The shelf held approximately 80lbs of weight for 3 weeks with me periodically removing and adding things to get an idea of how it would react to being used. There was no indication that it was weakening. I have since used these on the bookcase for over a year without any indication that they are failing. The bookcase is approximately 6" deep, which does limit the amount of weight that can be put on a single shelf. If it were a deep bookcase I might be concerned, but so far there are no issues.