Discussion in '2D and 3D CAD general discussion forum' started by GarethW, Jan 27, 2012.
STP files transfer between different CAD systems more accuratly
step and parasolid
Step and parasolid both are best
What about STL?
Hi skan. I'm afraid the question "What about STL?" belies a fundamental misunderstanding about CAD systems in general and this debate in particular. Sorry, I don't want to sound patronising but there is very clear division between nurbs based CAD and mesh files of all types. STL is a mesh, originally developed for Rapid Prototyping (Now called additive manufacturing or miss-named 3D printing) machines. Mesh files are also common amongst programmes designed for visuals, games and on-screen applications but all proper CAD software, especially parametric systems primarily work with nurbs. The 2D equivalent is the difference between bitmap images and vector based graphics or between a scanned document and an editable text file. Both have their uses and limitations but they are not interchangeable.
Based solely on the success of different file types, I prefer STEP. IGES has always been a pain!
I always prefer STEP because of smaller file size.
"IGES vs STEP – The Definitive Guide"
This is what you need! Click here to read the article
STEP data is the best, since it retain the Solide geometry even after translation, IGES good for sufarce data translation
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