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Product Description
You will need the case frame to make you abacus case from here: https://www.shapeways.com/model/885203/ipad_mini_abacus_case_customization_option.html
Or buy the full pre assembled case here: https://www.shapeways.com/model/885201/ipad_mini_abacus_case.html
More info here: https://gromfrog.com/?p=1647