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December 6, 2013

A video on "Randomized shape creation with fluctuating 3D printing process" was submitted to YouTube. The title is "Creating naturally-fluctuated patterns using a 3D printer".

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The printing process of an Olympic symbol using "natural-direction 3D printing" was taken by camcorder, and the resulting videos were submitted to YouTube. Because it takes about 34 minutes to print it, two versions were submitted: 1x digest video and 8 x whole video.

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By using a 3D printer in unusual way, interesting randomized "CA-like" patterns are generated (see this video). Sparse and more fluctuated patterns are generated when extruded less filament, and dense and more regular patterns are generated when extruded more filament.

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By using a 3D printer in unusual way, interesting randomized "CA-like" patterns are generated (see this video). When the grids are relatively sparse, filament sometimes stacks regularly and sometimes stacks randomly.

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August 13, 2015

I attended the SFF Symposium of this year and found that there were several presentations that focused on Printrbot, a 3D printer make. Printrbot was the first 3D printer that I built up from a kit. I found several design defects that causes my much labor. When I see what they have done since then, they seem to be mindless of users convenience. However, Printrbot seems to be still popular among much increased types of 3D printers. I do not understand the reason why so.

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February 17, 2018

All3DP, a Web site that nicely summarizes various 3D-printing related topics, presented 3D printing trouble shooting: 34 common problems. The description of countermeasure is not necessarily very convenient. However, there are several interesting photos in the described cases.

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April 4, 2018

IMG_5438partReduced.jpg For more than a year, I have investigated patterns generated by synthesizing three types of waves by helical 3d printing. Because waves are synthesized by linear models by this method, I thought no unexpected patterns are generated. However, very recently I found that unexpected complex patterns are generated by using very fine deformation waves.

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