Hello ! This is Mouse Bungee for better cable management. Cable mount should work for 2.5-4mm cable thickness. To add some weight, drill holes at the bottom and apply some plaster/concrete. Add rubber/silicone feets to prevent sliding on the table. Print without supports.

You need Springs with this parametes: Length: 60mm Out diameter: 3mm Inner diameter: 1.9mm Wire diameter: 0.5mm

You can order them on chinese website with 0.70$ per 5.(I don't get anything by posting link to shop): http://bit.ly/2ResFot

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Check out my models on: CGTrader Unity asset store Turbosquid Cubebrush Unreal Engine marketplace