12/7/2023 0 Comments Super slicer infill patterns![]() ![]() ![]() In fact, the good folk(s) at Slic3r were already hard at work adding a Z-dependent lattice structure into their slicing software! What we didn’t realize until later was that people have been working on and talking about designs like this for years. The result actually feels very strong for its weight and I was able to stand on this thing without issue. It is definitely not optimal in that way, but it was only intended as a concept. This object took 2 hours to slice, (a process that usually only takes moments) and 4 hours to print. Knowing that a hexagonal structure uses the least material to create a lattice of cells within a given volume, we let our design take inspiration from the way that bee’s nests intersect two opposing honeycomb layers into each other:Ĭool huh? Unfortunately we designed this the hard way, by literally drawing a cube and subtracting out the honeycomb shapes to leave behind the appropriate wall thickness throughout, then printing the object as 100% solid. Very soon this will no longer be the case.Ī friend and I recognized the limits of current infill patterns and decided to design our own. This causes finished parts to have a mechanical strength that differs depending on which axis is under load (an undesirable characteristic). ![]() The infill designs are all ‘Z-axis independent structures’. If you’ll notice, all patterns currently available simply repeat themselves every layer. There are other infill patterns available for people using Makerbot software (which allows you to make custom designs like ‘cat-fill’), but those patterns are a novelty more than anything else. The specific infill pattern you use will have a huge effect on the strength of the finished part. As of right now I can choose from a total of 7 different infill patterns, only 3 of which are actually practical (Concentric, Honeycomb, and Rectilinear). Printing at higher infill densities will of course make your object stronger, but at the cost of more materials, longer printing times, and reduced effectiveness of the additional material used. Everyone who has ever 3D printed something has faced the same problem: How to make parts as strong as possible while consuming as little material as you can get away with?ģD printed objects are typically not 100% solid and are instead held together by a lattice structure that uses some amount less than that. ![]()
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