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Non-warping, no smell, PET filament

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No shrinking or warping.

No smell.

No enclosure required.

Build plate can be heated or not (depends on brand).

Can be printed on glass without any glue*

Does not absorb water or moisture from air, so no storage container needed.

Clear color is the most transparent of all filament materials.

Is much "tougher" that PLA or ABS; will bend before breaking.

Uses about the same extruder temps as ABS.

Does not need a print cooling fan like PLA does.

Also known as Polyester, PETG, PETT, PET+

Is what most soda pop bottles are made of.

Does not degrade in water.

FDA approved in the USA for for food contact.

Not brittle.

Is the most recycled plastic.

Prices are coming down, and some are about the same as ABS.

Test model: http://www.thingiverse.com/thing:990484

Printing video: https://vid.me/eEIW

Result video: https://vid.me/eEUW

Current places carrying PET:

eSun - from Intservo, in North Carolina USA:


*opaque black is tested to print onto glass without any glue at all;

stays attached above 80C, and pops off at room temp.

eSun - from Intservo on Ebay, in North Carolina USA:


Alchement - from New Jersey, USA (choose PET from the menu):


RepRapperTech in Hong Kong:


Made Solid - from California USA:


Made Solid - from Matter Hackers, in California USA:


Made Solid - from Design Box, in Ohio USA:


Made Solid - From Australia:


Colorfabb XT - from Netherlands:


Colorfabb XT - from Printed Solid, in Delaware USA:


Taulman T-Glase - from Matter Hackers, in California USA:


Taulman T-Glase - from MakerGeeks, in Missouri USA:


Taulman T-Glase - from Imprinte 3D, in France:


Eco PETG - from China (must email to order):


Reprap PET - from Denmark:


Gizmo Dorks - in Los Angeles, USA:




3D Prima, from Sweden:


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the T-Glase is a PETT.


First, t-glase is made from the highest optical quality PETT material and is currently only available from two chemical plants. Unlike other polymers, some PETT, including t-glase are not considered “transparent”. Instead, it belongs to a group of polymers that are considered “colorless” and or “colorless with a percentage of reflectivity”. t-glase is also considered “water-clear” and “optically correct”. The term “optically correct” simply means that if you have a lens based die and injection mold precision reflective PETT into the die, the resulting lens will be relatively close to the same lens made from glass. While there is no formal definition of “water-clear”, in optical engineering, it’s a reference to how high quality plate glass seems to disappear when placed in water. When a clean piece of high quality glass is placed in water, the water negates the flat surfaces as a reflective surface, thus making the major surface invisible. However, the edges of the plate glass will still redirect or reflect light in a different direction, thus making them viewable even in water. This water-clear property is why some of products we buy are displayed in “Blister-Pack” packaging. The material is based on PETT with processing that bring out it’s reflective properties and enhances the visual presentation of the product. Over and above the problems associated with removing said product from the packaging!

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