The most clear plastic out there?

Hi Guys,

I am about to try out overlaying 3DP shapes onto screens and illuminating them!

Is anyone able to tell me what is the most transparent 3DPable material out there to date? I can't spot much but I have a feeling I missed something..

Thanks in advance!

Jerome
RepRap Prusa Mendel with J-Head, input: 3mm, but could buy 1.75mm.

The most transparent i encountered so far is PET

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Srek
The most transparent i encountered so far is PET

+1

But, with every layer you print, the object becomes less translucent. I advise printing it with full infill, or near-full infill to see if you can get that glassy-like transparency (it won't be quite like glass, but it's comes closest of all filaments).

I have noticed with my own prints that having 35% infill still makes an object not translucent, but more 'icy' as the light inside gets diffused heavily because it bounces through each and every string of printed filament.

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Speaking of; How does one print with 100% infill? Slic3r doesn't accept 100% infill in rectilennear.. Happy to try another .stl => gcode tool

With my silver filament that's quite clear, when I look at well printed layers they bond almost perfectly. It hardly happens like that, I have to tune right before the print. If I spray some clear cloat on it I can see right through all of the perimeters. I think with a clear filament, really find tuned printer, and some clear coat you can get what you want.

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JeromeM
Speaking of; How does one print with 100% infill? Slic3r doesn't accept 100% infill in rectilennear.. Happy to try another .stl => gcode tool

You should be able to. I know you cant with honeycomb pattern but rectilinear should work.

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Polycarbonate
Needs high extruder temperature.