Flat USB-Charger Table-Clamp

Table-Clampmount for flat USB-Charger from Aliexpress (Asometech 8 port desktop usb-charger).There are two versions, one for tables with max. 50mm and one for thinner tables with max. 30mm. The screws are from the original model by Julian Chu. I also uploaded the sketchupfile in case you want to change the model.