This is a case designed for 24w USB QuickCharge modules such as MH-KC24 or AJ27-TIE.

Please note that the modules use similar component but have different size: MH-KC24 board are smaller at 17x34.5mm while AJ27-TIE are bigger at 19x38mm. You can also look at the inductor: AJ27-TIE are bigger while MH-KC24 use smaller components. Use these information to print the correct size for your module.