السبت، 28 مارس، 2015

Digital modeling programs & new open source tools are streamlining 3d printing process

 Digital modeling programs & new open source tools are streamlining 3d printing process

Claudio Cosentino

In an age where it is increasingly necessary to use digital modeling programs, and new open source tools are developed ever faster, the 3D modeling also invades other sectors in addition to those of the graphics, such as industrial, medical, building and space, through the use of 3D printers. Natural evolution of printing in two dimensions, 3D printing allows you to have a real reproduction of a digital model, created with a 3D modeling software.
  
we started a few years ago, the courses in 3d with the use of sketchup. so in addition to modeling, rendering and animation, we became interested in 3D printing, producing a plugin stl files, compatible with a 3D printer trade. This process for the preparation of files, we realized that: the way we design our models in sketchup had to follow the strict rules imposed by 3d printing. do not let double lines, no double intersected faces that are not continuous and connected between them. and a great cleaning of the models, very often all this attention is not enough, how do we know where we have made a mistake? Fortunately for us, helps us a very interesting plugin, which saves us a lot of time to research the error. but the most important thing is to acquire a new design method with sketchup, with models that do not have to submit internal faces hidden, or lines in excess beyond that necessary, and all models must have filled the voids and coincident, in the end you have to consider that the molded object must be closed, like a box, that is, must have a minimum thickness, that the printer interprets as a part to be printed to give a real thickness.
To get our solid printable, consider a design method different from the traditional modeling, through these simple steps:
Make sure that the 3D model that has no point or line unrelated to his geometry.
Combine and intersect any faces or lines for the purpose of cleaning the model.
The correct model for any errors will be recognized as solid from SketchUp plugin and software slicing needed for 3D printing.
Check that the model is internally empty, uniform and closed, their faces clear turned outward.
Install within Sketchup plugins needed for export .stl format recognizable by other printing software.
Here are some examples for the creation of a solid:
A plugin that helps a lot to detect problems inside and outside of the solid is "Solid Inspector." by ThomThom
You can download the plugin at this link. http://extensions.sketchup.com/it/content/solid-inspector
Digital modeling programs and new open source tools are streamlining 3d printing process
Digital modeling programs and new open source tools are streamlining 3d printing process
in case of errors you will notice a red circle on the element to be corrected.
After checking that all the faces are closed and there are no errors proceed exporting the model in STL format

3D Digital Modeling Software | 3D Open Source Software | 3D Printing







 
 
Dr. EMAD HANI ISMAEEL
 
                 Ph.D. in Technologies for the Exploitation
                 of the Built Heritage .
                 Senior Lecturer in the Dept. of Architecture
                 College of Engineering , University of Mosul 
                 Mosul - Iraq .
 
E-mail:        emadhanee@yahoo.com
                   emadhanee@gmail.com
Web Site:  https://mosul.academia.edu/EmadAlallaf
                   http://emadhani.blogspot.com/
Tel :           +964 (0)770 164 93 74

 

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