Easy Way to Smooth PLA | No Sanding 3D printable model by 3DSage

Easy Way to Smooth PLA | No Sanding

Source: Thingiverse by 3DSage

The Easy Way to Smooth PLA | No Sanding is a free printable 3D model from Thingiverse by 3DSage. I have been 3D printing for about 4 years now and I have always struggled to find an easy way to smooth PLA filament. You can download the STL file from the original listing below and print it at home.

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406 saves Source: Thingiverse Updated 2026-04-16

Tags: Easy, Way, to, Smooth, PLA, |, No, Sanding

About this model

I have been 3D printing for about 4 years now and I have always struggled to find an easy way to smooth PLA filament. After mistakenly spraying Polyurethane on my 3D model, I decided to see if it was thick enough and would dry fast enough to fill in the layers and I'm happy to say that it does! I put a lot of work into the video so watch it too! You will need: A 3D printed model with visible layer lines. Any can of spray paint that bonds well to plastic. Fast Drying Polyurethane - Clear Satin. First clean the model of any dust and make sure it's clean. Next spray the model with your selected color of spray paint. Then quickly spray a layer of Polyurethane. Then place it under a fan to prevent drips and to make dry faster. The paint and Polyurethane will mix and fill the layers, any holes, …

Frequently asked questions

Is this 3D model free to download?
Yes. Easy Way to Smooth PLA | No Sanding is free to download from Thingiverse. Click the "Download free STL" button above to open the original listing.
Where is the STL hosted?
The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by 3DSage.
Who made this model?
Designed by 3DSage, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?
Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

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