![]() ![]() ![]() Adjust the variables and the whole thread changes in a precise and predictable manor. In a step file the thread is represented by a mathematical expression with variables that define it properties. ![]() The example of needing to alter the shread on a threaded part is a great example. This allows on the fly super accurate changes without having to fuss with a mesh editor, which is virtually impossible to be accurate on overly complex meshes. The fact that the slicer does the conversion to mesh upon opening it means that from initial creation to final print, the model will stay in a clean mathematically precise format that is easily editable by everyone. The fanfare is because step support opens up the possibility that all shared 3d models will be step files meaning end users may not ever have to edit a mesh again when needing to customize a part to suit their own use. STEP (ISO 10303 Standard for the Exchange of Product file format) STL (Standard Triangle/Tessellation Language file format)Ģ. STL, which are harder to cleanly modify in a CAD program, to STEP format which is easier to cleanly modify because CAD programs natively work with STEP files to begin with.ġ. STL, then the de-facto way to distribute 3D designs should change from. But if all slicers could directly input STEP files instead of. Making clean engineering-type changes to. Put in a slightly different way: The de-facto way 3D files were distributed today is via. STL files (which are meshes) but making engineering-type changes to such files is difficult… STEP, on the other hand, is a format widely supported by CAD programs (I add: STEP files are easier to make engineering-type changes to), and can now be understood by PrusaSlicer directly.” The original post says: “3D printing has a long history of using. Why wouldn’t you just export the model as an stl after you make the changes?” If you are modifying the step file, obviously you have a CAD program. Posted in 3d Printer hacks Tagged 3D Printering, 3d printing, cad, step, stl Post Tombrello said: “Maybe I’m missing something, but I don’t understand why this is so huge. ![]() Want to try it out? Beta releases of PrusaSlicer can be safely run on a machine alongside production releases, and PrusaSlicer has support for many other printers (not just Prusa machines), so if you’re curious, give it a peek. This has in part contributed to the inertia keeping STL as the format making the 3D printing world go round. STL format is, by comparison, almost trivial to implement. This makes it impossible to read and parse a STEP file sequentially. For one thing, entities (the elements defining the model) in STEP can be in any order, and can themselves freely reference other entities regardless of “where” any of them may appear in the file. One reason is that the STEP format is difficult to implement. You may be wondering why it has taken so long for a slicer to get a feature like this. While nothing was ever actually stopping folks from sharing their CAD models in STEP format, perhaps this will help normalize it more. Perhaps this will help shift people more towards sharing the STEP files of any models they create, because access to the CAD file makes it so much easier for others to make modifications, and now the CAD file and the printable model don’t have to be two separate formats. STEP, on the other hand, is a format widely supported by CAD programs, and can now be understood by PrusaSlicer directly. This leads to awkward workarounds when engineering-type changes are needed on STLs. Altering the size of a thread or changing mounting holes in a CAD model is easy. stl files (which are meshes) but making engineering-type changes to such files is difficult. The two work very differently, especially when it comes to editing. 3D printing has a long history of using. In the world of 3D models there are two basic kinds: meshes and CAD models. step files directly into PrusaSlicer for printing.įirst, a brief recap. This is pretty exciting news, because one is not normally able to drop a CAD format 3D model directly into a slicer. 3mf file) which means that slicing all happens as one would normally expect. Starting in version 2.5.0-beta1, PrusaSlicer can import STEP format 3D models. An imported STEP file is converted to a triangle mesh on import (making it much like a typical. PrusaSlicer has a new feature: the ability to import a CAD model for 3D printing. ![]()
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