Day 100 – Tiny Icosahedron surprise ball

I have a small gift I have to give someone secretly at a party, so I enclosed it in this tiny hollow icosahedron. Safe to show off at the party and they can open it when they get home. (By breaking it, unfortunately, but it would only take a few minutes to print another one later if they want one!)

STL file: http://www.geekhaus.com/makerhome/day100_tinyicosahedron.stl
Thingiverse link: http://www.thingiverse.com/thing:196410

Settings: MakerWare custom profile starting from “Low PLA”, with the following settings changed:

"numberOfShells": 1,
"roofLayerCount": 0,
"floorLayerCount": 1,
"infillDensity": 0,
"bridgeAnchorMinimumLength": 0.3,
"bridgeAnchorWidth": 0.3,
"doRaft": false,

Technical notes: This is really the same .stl file as we used in Day 32, but scaled down and combined with an upside-down copy of the model so that the top face gets repaired/leveled as we did earlier for the bottom face. In the future, it would still be better to just use a fresh Mathematica .stl output of an icosahedron but this was easier today.

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