Finishing 3D Prints: How to Sand, Fill and Prime 3D Printed Parts

Finishing 3D Prints: How to Sand, Fill and Prime 3D Printed Parts

In this video I'll cover How to Sand, Fill and Prime 3D Printed Parts. A lot of people ask me how do I get helmets and other props so smooth. Well its not easy you have to do a lot of sanding, filling and priming. There are some key steps in-between that I'll also cover in this video.

0:00 Intro
0:48 Supplies
3:07 Sanding
5:00 Priming
6:09 Filling
8:00 Detail Sanding
8:35 Wet Sanding

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ITEMS I USED IN THIS BUILD
Rust-Oleum 260510 Automotive 2-in-1 Filler & Sandable Primer, 12 Ounce (Pack of 1), Gray

3M Pro Grade No-Slip Grip Sandpaper, 3-Pack, 120-Grit

3M Pro Grade No-Slip Grip Advanced Sandpaper, 9 X 11-Inches, 220 Grit, 20/Pack

3M Pro Grade No-Slip Grip Sandpaper, 3-Pack, 100-Grit

3M 25320P-G Pro Grade No-Slip Grip Advanced Sandpaper, 9-Inch x 11-Inch, 320 Grit, Pack of 3

3M Pro Grade No-Slip Grip Sandpaper, 3-Pack, 80-Grit

Bondo Body Repair Kit

Bondo Plastic Metal, Seals & Fills Almost Any Metal Surface for Durability & Longevity, 5 oz.

Bondo 357 Plastic Spreaders 3 Piece

BASE CAMP M Plus Dust Face Mask with Extra 6 Activated Carbon Filters

MINI Diamond Needle File Set (10pcs 150 Grit Precision Diamond File)

3M Sanding Sponge, Fine Grit, 6-Count 

120 To 3000 Assorted Grit Sandpaper for Wood Furniture Finishing

Buy Helmets from Villainous Prop Shop

You can buy some printed versions of my helmets over on Villainous Prop Shop's Etsy page!

I use Zlytech Filament. Use the code 3DPRINTEDPROPS to get 15% OFF your order
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Check out my 3D Printing Courses on Udemy ➜

3D Resin Printing: From Star to Finish

3D Printing: From Start to Finish

How to Make Money With Your 3D Printer

Design Awesome Graphics For Social Media with Canva
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STANDARD 3D PRINTERS I LIKE

Ender 3

ENDER 3 S1

ENDER 3 PRO

ENDER 7 (affiliate link)

CREALITY CR-10

ELEGOO Neptune 2

ELEGOO Neptune 2S

ANYCUBIC Mega S

ANYCUBIC MEGA X
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Interested in resin 3D Printers?
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Peopoly 3D Resin Printers--
USE CODE 3DPRINTEDPROPS AND GET A BOTTLE OF RESIN (affilate link)

The Peopoly Phenom L ➜

Peopoly Phenom ➜

Peopoly Phenom Noir ➜

Peopoly Phenom XXL ➜
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Elegoo Mars ➜

Phrozen Sonic Mini ➜

Anycubic Photon ➜
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Some Additional Items you will want to consider for Resin 3D Printing ➜
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Gear I'm Using ➜
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WHAT TO MAIL ME SOMETHING?

P.O Box 1004
Little Falls, NY 13365

Thanks for watching!

#3DPrinting #3dResinPrinting #PeopolyPhenomL #Resin3dPrinting

[UncleJessy]

This is fantastic for someone looking how to get your prints nice and smooth before painting! Can’t wait to see the next one!

[Alexlemay]

*Steps to sand, fill, and prime*

*Sand*
-120 grit sandpaper
-220 grit sandpaper
-320 grit sandpaper

*Fill* (wash print before applying filler primer)
-coat the entire 3D print (apply about 2 coats and wait for each coat to dry before applying second coat) (stay 8-10 inches away)

*sand*
-sand the primer with 400 grit

*wash*
-wash the print off


*glaze spot putty*
-fill big cracks and lines
-wait to dry and then sand with 400 grit

*give another coat of fill primer*

*wet sand*
-wet the helmet and then sand with 600 grit sandpaper
-wet sand again with 1500 grit sandpaper

*wash*

[jimburrows]

My God...someone who actually takes the time to explain the process rather than just rush through it, and actually EXPLAINS what products THEY. ARE. USING.
One of the most irritating things people do is, "Now I'm gonna do this but I'm not gonna bother telling you what I'm using to accomplish the desired effect."

Well then, what's the POINT of a how to video if you DON'T tell us what you're using??
Everything I wanted to know has been answered in this video.
And because you did such an excellent job explaining it, I subscribed.
I'm definitely gonna watch your other videos, thanks for making such great content!

[Peter-DOC-Docter]

...few tips from a painter, use a glove when you're handling the liquid bondo! that's chemicals getting in to your skin there! Second, as a pre paint layer it's better to use 800 grit wet, 1200 is actually pretty fine and a pre polishing grit, it will be bad for adhesion, maybe not directly when you paint it, but in the longer run, like a few years chances are (depending on the paint) that it's gonna crack or come loose...lastly, USE SCOTCH PADS! for this type of sanding, red scotch pads are excellent here, they are a savior to sand difficult places without damaging small details and are also great to use as a final wet sand before painting.

[Goygle]

Man, this is by far the best video I have seen to prepare my 3d prints for painting. You would think there are thousands of videos like this one on the internet but, trust me, you only need this one!!!!
Thank you so much

[animexartist]

wrapping the sandpaper around a sponge...now that is genius! I learned something new today :D

[HannaFamilyHomeVideos]

Time and time again, I always come back to this video as the gold standard tutorial for sanding, filling, and priming helmets. Nothing else provides such a perfect process to follow.

[ANDCosplay]

I'm using this as my BIBLE right now. This is the most clear video I've seen, and I thank you SO much! It seems like everyone has their own process for this, but a lot of those processes seem unnecessarily repetitive and complicated.

[SanaiGaming]

This is the most detailed description on the process I've see so far. Big thanks for sharing it with us!

[Mr.GoodBarr_Makes]

I used to watch these videos just out of boredom. Now I’m watching cause I’m prepping my own prints for painting. Thanks for showing that anyone can do this

[MrJimmySegers]

That pause from 9:59 to 10:05 caught me off guard xD

[Flix-fq]

A bright adjustable spot lamp halps. Also, a vise with individual foam grips allow you to file with two hands. This gives you more control.

[mszoomy]

I've found that silicone "brushes" work excellent for smoothing on your putty. It really smooshes it into the cracks. Thanks for the video, very helpful

[Pineabble]

You are super awesome! I've been wanting to make a replica helmet of a character my fiance loves and I was scared about making a mess and ruining the print. You've explained things so clearly and show what you're doing to the point where I'm not anywhere near as terrified of this. Thank you so much for sharing. The final product in the next video turned out so amazing that I'm going to for sure have a hard time deciding between the matte or the polished shiny look.

[BulgogiBoi]

This video couldn’t have come at a more perfect time THANK YOU SO MUCH I’ve been struggling to get my mandalorian helmet smooth

[captainobvious]

I’m printing this helmet for Halloween to go out with my friends in our own dc costumes and this video is freaking awesome thank you so much. NOBODY went into this much depth, so this helped a lot.

[fullblast]

put a couple drops of Dawn in the water, helps to keep the wet paper from clogging.

[jessekazemek]

Thank you for the tips! I just purchased your Phantom of The Paradise Helmet and feel like i'm 10 years old again. Cheers from Los Angeles!

[braddahr]

Have you already mentioned what kind of foam you’re using to apply the bondo? Thanks.

[totyshy]

first video i saw from the beggining to the end, when i was starting at 3d printing i was like meeh! this is wortless better learn to print really well but it is almost imposible in normal 3d printers so this is really necesary if you want a valuable piece, thank you so much