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Giant Spiky Perko Knot

by mathgrrl, published

Giant Spiky Perko Knot by mathgrrl May 11, 2017

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TopMod KnotPlot Cura

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Summary

This knot was created by exporting a model from KnotPlot and then adding extrusions to each mesh face in TopMod, then printed with an Ultimaker 3 using dissolvable PVA supports (the second picture shows the newly-printed knot in a bucket being filled with water).

Inspiration and KnotPlot model are credited by my student Jonathan Gerhard; you can read about his related project on his blog Mathematical ADD here: The Perko Praxinoscope and the Shrikhande Graph.

For information about how this model was designed and printed, read the Giant Spiky Perko Knot post on Hacktastic.

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Twitter: twitter.com/mathgrrl
Hacktastic blog: www.mathgrrl.com/hacktastic
Shapeways geekhaus store: www.shapeways.com/shops/mathgrrl

This design and all associated pictures and files are licensed under the Creative Commons Attribution Non-Commercial Share Alike license. If you want to use designs, images, or files outside of the terms of this license, please email request@mathgrrl.com.

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Impressive work!
Thanks for the stimulation to try this with OpenSCAD
http://www.thingiverse.com/thing:2318955 .
Just conceptual for me, whose printer is out of commission anyway, although I plan to make a couple via Shapeways

Decorated knots

Fantastic print - makes me pine for a dual-extrusion setup! :-)

May 12, 2017 - Modified May 12, 2017

Escher would be envious :-)

I loved the prime tower lego & the write-up. Clever suggestion about using PVA for the support interface - not sure if Simplify3D can do this?

I'm not sure about Simplify3D but I've heard that Cura can do this. My concern is that sometimes PVA-over-PLA isn't a strong bond (which I think is a reason that the prime tower falls over), so the support interface might not stick well enough to the supports and you could have a fail at that point? I'll let you know when I try it...

May 11, 2017 - Modified May 11, 2017

Far out (wo)man!

Really Cool! I want to play around with that Topmod program now

Wowee! Looks awesome!

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