3D Printing a transparent plastic object....

AI Thread Summary
3D printing transparent plastic objects typically results in only translucency due to the nature of FDM printing, where light diffusion occurs. Stereolithography (SLA) offers clearer options, with materials like 3DSystems Visijet SL Clear achieving good clarity, though post-processing may be necessary. Affordable SLA printers are available for those seeking better transparency. For flexible materials akin to rubber, specific polymers are recommended, but not all 3D printers can accommodate these materials, so compatibility must be verified. Ultimately, achieving both clarity and flexibility in a single material is unlikely.
fog37
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Hello Forum,

I am new to 3D printing and wondering if any of you have been able to print transparent plastic object with 3D printing. It seems that translucency is the best that we can get. Is that true?

Are today's affordable 3D printer still only work with PLA and ABS or are there other more interesting materials
to work with?

Thanks.
 
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fog37 said:
It seems that translucency is the best that we can get. Is that true?

Yes. FDM parts can never be flat so light will always be defused. There are post processing techniques that help:

http://taulman3d.com/t-glase-optics.html
 
Stereolithography (SLA) processes do have some clear options. I've gotten some parts printed by a vendor using 3DSystems Visijet SL Clear material, and they came out very clear. See here: https://www.3dsystems.com/materials/visijetr-sl-clear. Getting parts very clear does sometimes require mild polishing after printing though, it depends some on the geometry and where support material is needed.

upload_2017-1-30_9-35-26.png
 
Thank you.
SLA seems to achieve pretty good clarity. I think there are some affordable SLA printers too out there...

Two more questions if I may:

I would like to 3D print using a material that is soft, flexible and resistant, like the rubber that makes shoes sole. What polymer would you advice using? Would any type of 3D printer work with such material?

Thanks!
 
I recommend a simple internet search. Not all machines support all materials, you'll have to find a system which meets your needs both in materials and mechanical properties. If I had to guess I'd say you won't find a material which is clear and flexible, it will be one or the other.
 
Hi,

Sorry I was not clear. I don't need the clarity in this case, just a polymer that is rubbery, like a running shoe sole, and not as stiff as PLA or ABS...I will do some internet search...
 
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