iMAC 27" and iMAC21" cable protector

The passthrough openings of the iMac 27" and iMAC 21" stands are slightly on the sharp side and can harm the cables. I often notice dust collect on the stand as a result. So adding a simple 3d printer protector solves this issue. Two models are provided to fit on 27" and 21" models. Ets is fast and easy to print, does not require cable disconnection, and also no glue is required. I used PETG because it si relatively flexible and gives a good spring effect.