About this 3D model

What do you do with your coins if you have too many and the wallet gets bigger and bigger? Just throw them into the coin collector and store them there.And if you need spare money, open the collector and take whatever you need. Hole diameter is 30mmTotal height is 70mmHeight of the collector box 50mm You need 4x magnets 6x3mm (http://bit.ly/2Z0VZ1h) to attach the top to the bottom.