{"id":13796,"date":"2024-10-23T00:00:03","date_gmt":"2024-10-23T06:00:03","guid":{"rendered":"https:\/\/handandmachine.org\/classes\/computational_fabrication\/?p=13796"},"modified":"2024-10-24T01:35:22","modified_gmt":"2024-10-24T07:35:22","slug":"large-assignment-4-jyrus-cadman","status":"publish","type":"post","link":"https:\/\/handandmachine.org\/classes\/computational_fabrication\/2024\/10\/23\/large-assignment-4-jyrus-cadman\/","title":{"rendered":"Large Assignment 4 \u2013 Jyrus Cadman"},"content":{"rendered":"\n

The three structures I chose to showcase for this assignment were: a wheel with spokes, a crown-like cylinder, and a conical figure with a star shape infill. The first highlights a structure with freestanding filament lines. The second highlights non-planar movement in the z-axis. And the third highlights a combination of the two.<\/p>\n\n\n\n

The Shapes<\/h2>\n\n\n\n

First off, I wanted to start with a basic shape that I noticed was common for this assignment based on previous years: a wheel with free-standing lines (spokes). The process for generating this shape was relatively straightforward and simple to implement\u2013especially with Python and the Extruder Turtle library. In the code, I simply programmed the turtle to walk in a standard circular path and at 16 equi-spaced points, walk from the current x-coordinate to the opposite x-coordinate. This was trivial to visualize and even simpler to implement. Although, if I did redo the structure, I would make the filament extruded thicker because it is pretty fragile. Consequently, this is my least favorite print of the three.<\/p>\n\n\n\n

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The next shape I generated was the crown-like cylinder. Alternatively, you can just call it a crown. The process for generating this shape appears simple, but for me, it was slightly complex. I initially wanted a vase with wavy walls like the example given on the assignment description. But when that wouldn’t pan out, I just went with a variation and arrived at a crown-like cylinder. To generate this, I simply had the turtle walk in a circular path like the first shape. But as the turtle got higher and higher in the z-axis, I would alter its path to walk up and down in a wave-like fashion using the sin function and an increasing wave amplitude value. This resulted in an organic crown-like structure that I really enjoyed producing.<\/p>\n\n\n\n

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The third and final shape I generated was the conical-like structure with a star-shaped infill and freestanding filament elements. The process for generating this shape was inspired from my previous iterations generating the former two shapes. This shape includes both free-standing filament generation and non-planar movement in the z-axis. To generate this unique shape, I again used the circular movement of the turtle. Similarly, I also had it change direction at certain points on the circle towards another point. But for this iteration, I wanted a star path. And since the height of this shape was much higher, the star path of free-standing filaments ended up forming more of a wall. Unexpectedly, however, there were webs of filaments connecting adjacent start points. This resulted in the best of both worlds. Finally, while not the as dramatic as the crown, there is a wave-like appearance as we approach the top of the cone.<\/p>\n\n\n\n

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Why My Shapes Can’t Be Sliced Normally<\/h2>\n\n\n\n

If you take a look at the Cura renderings of each shape, you’ll notice certain elements that explain why they cannot be generated by a traditional slicer. In the first shape, this is the free-standing filament element, which makes it difficult for a slicer to process because it recognizes that the filament is on is too thin to slice, or it branches off. In the second shape, this is the non-planar movement in the z-axis near the top of the crown. In a slicer, aggressive non-planar movement in the z-axis is difficult to slice because it can have a branch-like effect. This is evident in my crown structure as we get near the end of the top-most layer. My third shape is difficult to generate with a traditional slicer due to the same reasons above. Although, I do believe if you “hack” a traditional slicer, you can generate the third shape.<\/p>\n\n\n\n

Conclusion<\/h2>\n\n\n\n

All in all, I ended up printing a total of about eight shapes. For this assignment, my first and last prints were 2\/3 of my final prints. This was interesting because it meant that there was a lot of iteration between those two points and to generate that middle print took most of the work. Fortunately, this meant I had a good base and learned enough information to produce a third print that I was proud of the most. For this assignment, I found that lines of free-standing filament were the easiest to produce. It was the non-planar movement of the z-axis that I had the most trouble with. In fact, for my second print, I had trouble with the extrusion unit hitting my thin crown walls and altering its appearance. To prevent further damage, I stopped the print prematurely and went with what I had. Although, this did give me insight for my third print. To not have the same issue, I knew I should lower the wave height and make it just high enough for visual appeal but not too much to interfere with the extrusion unit.<\/p>\n\n\n\n

Thank You!<\/h2>\n\n\n\n
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JyrusCadmanLA4<\/a>Download<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"

The three structures I chose to showcase for this assignment were: a wheel with spokes, a crown-like cylinder, and a conical figure with a star shape infill. The first highlights a structure with freestanding filament lines. The second highlights non-planar movement in the z-axis. And the third highlights a combination of the two. The Shapes First off, I wanted to […]<\/p>\n","protected":false},"author":42,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[],"class_list":["post-13796","post","type-post","status-publish","format-standard","hentry","category-large-assignment-4-g-code-assignments24"],"_links":{"self":[{"href":"https:\/\/handandmachine.org\/classes\/computational_fabrication\/wp-json\/wp\/v2\/posts\/13796","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/handandmachine.org\/classes\/computational_fabrication\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/handandmachine.org\/classes\/computational_fabrication\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/handandmachine.org\/classes\/computational_fabrication\/wp-json\/wp\/v2\/users\/42"}],"replies":[{"embeddable":true,"href":"https:\/\/handandmachine.org\/classes\/computational_fabrication\/wp-json\/wp\/v2\/comments?post=13796"}],"version-history":[{"count":5,"href":"https:\/\/handandmachine.org\/classes\/computational_fabrication\/wp-json\/wp\/v2\/posts\/13796\/revisions"}],"predecessor-version":[{"id":14031,"href":"https:\/\/handandmachine.org\/classes\/computational_fabrication\/wp-json\/wp\/v2\/posts\/13796\/revisions\/14031"}],"wp:attachment":[{"href":"https:\/\/handandmachine.org\/classes\/computational_fabrication\/wp-json\/wp\/v2\/media?parent=13796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/handandmachine.org\/classes\/computational_fabrication\/wp-json\/wp\/v2\/categories?post=13796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/handandmachine.org\/classes\/computational_fabrication\/wp-json\/wp\/v2\/tags?post=13796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}