These mirco snowflakes are about 15mm across and were generated with the Snowflake Machine: http://www.thingiverse.com/thing:1159436. 

The models are optimized for printing on an Ultimaker 2 with ABS and the special .25mm nozzle with the Olsson block, at "Ulti quality" 0.04mm layer height. 

If you want very small snowflakes that are already tested and ready to go, then print the demo models.  But it's much more fun to go make your own, so go do that at the Snowflake Machine! https://www.thingiverse.com/th...

For 15mm snowflakes, set the "Target Diameter" to 15 in the "Global Size Settings". For this size you'll have to reduce to 4-5 steps and keep the thickness of the strands down by setting low values for "fat" and "organic". You may also have to keep "fuzzy" and "full" parameters to a minimum.

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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 [email protected].