Influence of Infill Design in Fabrication of 3D-printed PLA Parts Using FDM
Why this work is in the frame
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Bibliographic record
Abstract
The present work examines the mechanical characteristics of polylactic acid (PLA) samples manufactured in 3D printing using various infill patterns. The infill patterns investigated are cuboid, grid, and octet, prepared at a constant infill density of 50 %. The study aimed to identify the most suitable infill pattern for specific mechanical requirements, considering tensile, compression, and flexural behaviour. Experimental testing was conducted on the 3D-printed PLA specimens to assess their mechanical performance. The findings reveal that the octet infill pattern showed the highest mechanical qualities across all three tests, including tensile, flexural, and compression evaluations, indicating improved strength and stability. The octet infill pattern samples had the highest tensile value of 17.3 MPa, maximum flexural stress of 35 MPa, and maximum compression stress of 34.4 MPa. These results emphasize the need to choose suitable infill patterns to adjust the mechanical properties of 3D-printed PLA components to meet particular application requirements.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it