2D3D Parametric Slim Wallet for 3D PrinterCNC RouterLaser
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2D/3D Parametric Slim Wallet for 3D Printer/CNC Router/Laser

I liked a bunch of the slim wallets I saw on Thingiverse OpenBuilds and Etsy such as ...

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2D/3D Parametric Slim Wallet for 3D Printer/CNC Router/Laser alternatives
MultiBot CNC v2
reality_boy