Ultimate Materials Guide - Tips for 3D Printing with PETG

One of the few common issues that we see with PETG is stringing. These strings are thin hairs, similar to a spider web, that run between the different surface of your 3D print. Preventing these strings requires precisely calibrated retraction settings, so make sure to adjust your retraction distance and speed for the best results. Simplify3D also includes several useful features that can further reduce stringing. The first is called Coasting, which works by reducing the pressure in the nozzle right before the end of a segment. This way, when moving to the next segment, there is less pressure in the nozzle, so you are less likely to see stringing and oozing during that move. Another great option can be found on the Advanced tab of your Simplify3D process settings. By enabling the &#;avoid crossing outline for travel movements&#; option, the software will automatically adjust the travel movements of your print to stay on top of the interior of your model as much as possible. This means that the strings stay inside of your part where no one can see them, instead of being on the outside of your model. If you are looking for more tips to reduce stringing, we have an entire section dedicated to this issue on our Print Quality Guide: How to Reduce Stringing and Oozing.

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Re: PETG printing surface options?

Hello there!

I'd like to add my two cents here...
Ever since I bought my printer I exclusivley print with PETG because it has great strenght properties, low shrinkage (only 0.5%), and it has very low curling when printing.
What I do is... wipe the bed with a clean paper towel or micro-fiber cloth.
As mentioned above, don't use isopropyl alcohol or any kind of alcohol mixture. Window cleaner is ok since most have other chemicals that have cleaning properties. I found out that Windex has an anti-static coat which stays behind, and this lets you remove prints with less force than usuall.

So the conclusion from my point of view is... don't even clean the bed for PETG if you haven't touched it with greasy fingers. Otherwise just wipe with a clean towel and you should be good to go. &#;

With best regards, Boris.

If you want to learn more, please visit our website pet & petg.

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