What is the best sandpaper for PLA?

Start with the 120 grit and focus on the sides of the print. 120 grit will tear away material pretty quickly, so avoid sanding corners, edges, and any fine details. Continue to progress through the grits as you need to remove less and less of your print.

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Consequently, does acetone dissolve PLA?

Yes, acetone can dissolve PLA but only under certain conditions. You might get better results with other solvents, but there isn’t one that reliably works for all types of PLA filament. PLA is an excellent 3D printing material, but it does not offer a lot of post-processing options.

Keeping this in consideration, how do I make 3D prints for painting? Painting Steps

  1. Start with a primed and mounted part. …
  2. Buff and polish the primed surface. …
  3. Clean off the dust. …
  4. Get ready to paint. …
  5. Spray on the undercoat. …
  6. Polish between layers. …
  7. Mask off areas you want to preserve in the undercoat. …
  8. Apply the topcoat (optional).

Also to know is, how do you sand delicate 3D prints?

How do you smooth nylon 3D prints?

Why are my 3D prints not smooth?

What’s Causing this 3D Printing Problem? The most common cause is simply that the print just doesn’t bond to the surface of the print platform. … If the platform is uneven then for some parts of the print the nozzle won’t be close enough to the platform to correctly extrude and bond the first layer.

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