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UNDER CONSTRUCTION
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3D printed samples
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==================
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You can 3D print couter mold but for some specific use it is also possible to directly 3D print samples. This is not an easy task because you need firts to find the proper material to 3D print and you then need to print your sample without adding residual stress. Let's state it, it is not the best way to have singularly shaped proper photoelastic sample. If what you are looking for is a you prefer to use the method described here
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Still when you want to rapidly prototype a photoelastic material and if your measurement accuracy are not too high, it still worths.
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When the sample shape is too complex so that a backing mold cannot be made to [cast the photoelastic sample](https://git-xen.lmgc.univ-montp2.fr/PhotoElasticity/Main/wikis/molding-urethane) it is still possible to directly 3D print the it. 3D printing is not simple and it is even worse when you have to do it with a photoelastic material making sure there is no residual stresses. That is why you should not expect this way to make photoelastic samples as the ultimate one. It is good if you want to work with hard material (high loading) and that you can afford expensive samples. Also if you want to rapidly prototype a photoelastic sample and if your measurement accuracy is not too high, it still worth. In this section we go more into details about this method and the different options.
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https://www.nature.com/articles/s41598-017-11433-4
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stratasys VeroClear but large modulus quite expensive
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other like stereolito poorly transparent and photoelastic
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make 3D shape not always reachable with molding processes
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[<go back to home](https://git-xen.lmgc.univ-montp2.fr/PhotoElasticity/Main/wikis/home) |
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