The file 'Icosahedron Puzzle Lamp Shade (II) Heart Shape Petals 3D Printer Model' is (STL) file type, size is 2.4MB.
Icosahedron Puzzle Lamp Shade (II) Heart Shape Petals
Print 20 pieces and put them together.
https://en.wikipedia.org/wiki/File:Icosahedron.gif
After assembly, the diameter of the lamp shade will be
Large version: ~ 21 cm
Medium version: ~17cm
Small version: ~13 cm
Recommended settings:
In stead of commonly used PLA filaments, use Nylon or ABS filaments for higher toughness and resistance to the heat from the lamp.
For Large and Medium versions: Layer height 0.2 mm
For Small version: Layer height 0.15 mm
For all versions: At least 5 perimeter loops to enhance the shear strength
Updated 2016/09/30
The STL files are modified to have larger tolerances at the vertices for those who feel difficult during assembly.
Similar things:
Icosahedron Puzzle Lamp shade (I) Dahlia http://www.thingiverse.com/thing:1782444
Icosahedron Puzzle Lamp shade (III) Fractal http://www.thingiverse.com/thing:1788067
Deltoidal Icositetrahedron Puzzle Lamp Shade - Clover http://www.thingiverse.com/thing:1793174
IcosahedronPuzzleLampShade_II_L.STL | 2.3MB | |
IcosahedronPuzzleLampShade_II_M.STL | 2.3MB | |
IcosahedronPuzzleLampShade_II_S.STL | 2.3MB |