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We've completed our yearlong print-a-day project!
All new material is now at Hacktastic: www.mathgrrl.com

Wednesday, December 18, 2013

Day 114 - Poly-Snaps Octahedron

Our second Poly-Snaps model is an Octahderon, with eight triangular faces. Compare with the Hinged Octahedron from Day 82, which is beautiful and prints in one piece, but has variable snap-numbers on its open edges and uses up a lot more material. Today's model makes use of the customizability of the Poly-Snaps, changing to very thin faces with large borders.

Thingiverse link: http://www.thingiverse.com/make:58146

Settings: MakerWare .3mm/low in almost no time at all.

Technical notes: Our goal here was to make something very light and easy to print quickly in large quantities, to make classroom use easier. However this particular choice of settings was not good for larger models with more sides. Some tinkering and possibly a redesign is still necessary to find a way to print very thin Poly-Snaps that actually stay snapped together.  But for the record, here were the Customizer settings we used for this model:
Sides = 3
Snaps = 3
Side Length = 25
Thickness = 1
Border = 5
Clearance = 0
Lengthen = 1.0