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The Vornaments!

by nhfoley, published

The Vornaments! by nhfoley Nov 23, 2013

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These ornaments are my homage to traditional glass sphere ornaments. It could be said that they represent the inescapable future of all glass ornaments - with a deconstructed surface based on a Voronoi tessellation. Or maybe, they just represent digital complexity for complexity's sake. Either way, they look awesome.

Presented here is a set of 7, which vary in size, detail, and energy of deconstruction.

The best way to hang them is with a traditional ornament topper, or, as shown here, with my 3D printed version.


Ornament numbering (1-7) roughly correlates with difficulty of printing. Regardless, getting the first layer stuck to the build platform, and printing with a thick brim, are essential. Some of the ornaments have very aggressive overhangs, and having your cooling and print temperature dialed in is essential.

The parts are represented as a solid (ie - filled) because I was getting the best results by letting the slicer create the shell surface. You can print them "without a bottom" in Cura and get a print with a hole in it for hanging, though I found it easier+stronger+faster to print them with uniform 2mm walls all-around, 0% infill, and drill out the hole for hanging afterwards.

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Please remove. The STL does not correspond to object

Hi, I'm just preparing to print the first one of these... but I can't see how they should print with no support. Especially the more "extreme" ones have huge overhangs. Can you please share your settings? Because yours look incredible.

I printed them slow and cold: 0.1mm, between 25-50mm/s (depending on the part complexity) and around 205° using Printbl White PLA. Each print took 5-10 hours.... my general strategy was to set up a print before bed, babysit the first 5 minutes of the print to make sure it stuck crazy well to the build platform.... and then wake up to a finished ornament in the morning.

The parts of the print with very aggressive (or impossible) overhangs obviously print less cleanly than the rest of the part, but for even the toughest to print ones, only a small amount of cleanup (<30s) with an x-acto after printing removed the strands which printed in thin air.

Honestly though, the overhang quality surprised me with how good it was, and it definitely changed my perception of the type of parts which can be printed successfully without support if you're willing to go slower. I printed these on an Ultimaker with a custom cooling duct, and don't have access to a Rep 2, but the same results should be achievable based on what I've seen from them in the past.

These are awesome looking! Excellent design. I might have to print a whole set for my tree this year. I printed #4 on Rep 2x, ABS, low settings, 5 skins, 0 infill, neck down with raft and no support. It printed amazingly well and was crazy to watch. Nice work. My hat's off to you. Still the best ornament design I have seen on here yet.

Awesome. Thank you! Good to hear that they printed well! Definitely would like to try a few of these in ABS myself, I only have an Ultimaker (without a heated bed) so I generally use PLA. Love that low-gloss finish of ABS parts though.

Totally Awesome work, Thank you for sharing! - Have a great Christmas :)

Very nice work you've got there!!!
They look just wonderfull, Would love to print them... but my printer it's not finished yet.

Wonder how did you made them... was it using Rhino+Grasshopper?



Yes, the initial surfaces were created in Rhino+Grasshopper, then moved into Solidworks in order to get the boolean ops to happen successfully and add the hanging features.