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Inspired by "[another] M.C.Escher fish" and based on http://www.mcescher.com/gallery/symmetry/no-20-fish/ , here's a 3D-printable model. This is quite challenging to print accurately enough to tessellate multiple objects... many of mine needed some sanding or carving to make them fit. The...

All uploads for: 3dhacker

andrewm@3dhacker.com
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3dhacker Printer Test

A. The organic area just looks pretty and shows how well your printer can print details like this.  B. The arms of the 3 each extend at different angles to test overhang. The top one extends at 60 degrees which may be a challenge for some to print but a properly calibrated machine should be able to handle it. The middle is at 45 degrees, even a badly calibrated machine should be able to do this, the bottom is 70 degrees, bonus points for making that work but it is expected to fail. C. The D tests arches. With an arch this big it is likely to fail, but it's a question of how far it gets...

3dhacker Test, Printer Test