"Ready to print" is the most characteristic message of the new free tool from the "maker" application family Autodesk 123D - Autodesk 3D Print Utility. This utility allows to read 3D models in the STL and OBJ formats and perform final pre-flight checks and adjustments before 3D printing. Preparing a 3D model for printout may be not trivial, it is not an equivalent of pressing Ctrl+P. You need

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