Smooth Your 3D Prints FAST with UV Resin!
by VanOaksProps
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What this video covers
This short tutorial from VanOaksProps demonstrates using UV resin as a faster, easier alternative to air-dry spot putty for smoothing layer lines on FDM 3D prints. The technique is demonstrated on a Boba Fett helmet and involves applying UV resin to fill surface imperfections, curing it quickly under a UV light, then sanding smooth. The result is a significantly cleaner surface with less effort than traditional methods.
Key takeaways
- ◆UV resin fills 3D print layer lines faster and sands more easily than traditional spot putty
- ◆A UV light cures the resin quickly, speeding up the overall finishing workflow
- ◆Progressive sanding grits (120 then 320) are used to achieve a smooth final surface
- ◆Proper PPE — respirator and nitrile gloves — is essential when working with resin and resin dust
Who this is for
Cosplayers and prop makers who 3D print their own pieces and want a quicker, beginner-friendly method for achieving smooth, paint-ready surfaces.
Tools mentioned
- • UV light
- • 120 grit sandpaper
- • 320 grit sandpaper
Materials mentioned
- • UV resin
- • nitrile gloves
- • respirator
- • respirator cartridge/filter
⚠ Safety notes
UV resin and resin dust are hazardous to lungs and skin. Always wear a proper respirator with appropriate cartridges/filters and nitrile gloves when applying or sanding resin.
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