Muntoe's Garage Kit Compendium Part 3: Putty and PrimingMuntoe's Garage Kit Compendium Part 3: Putty and PrimingTutorial

MuntoeMuntoeVor 7 Jahren

Hi, I'm back! Now that school is out I'm ready to start building GKs again and finally finish this WIP. I have to apologize first; a lot of the work on this kit was done when I had a few moments of spare time during the semester so I forgot to take a lot of pictures. Puttying and priming are very boring steps imo and some of it is easy (you spray stuff...with a can) so although this post is text-heavy I hope I can explain well enough and have the pictures provide a supplement. The next blog post will be my final one and will cover painting, sealing, and maybe some last touch-ups so look forward to that long one :) If you want to see larger images just right click and open them in a new tab.

At this time I would also like to announce that I've finally made a Facebook page! This blog will mostly cover my progress on Gks but I will probably also rant about other stuff. I will also post up new commission info sometime *hinthint*

Here is the link to my blog as well as all the posts in case you would like to continue:

My new FB page, Plum Workshop

Part 1: Background and Supplies
Part 2: Sanding, Washing, Priming
Part 3: Putty and Priming
Part 4 (1): Painting, Shading, Sealing
Part 4 (2): Painting, Shading, Sealing
In Part 2 of my WIP I discussed it is good practice to drill out any air bubbles you see because you do not want your kit looking pimply. Putty is a great tool because you can sculpt new parts and fix gaps/air bubbles. The yellow stuff is Tamiya Light-Curing Putty that dries extremely fast under fluorescent light (other putties take 6 hours to a day to fully cure). Don't be afraid to over-apply putty because it sands down easily!

http://s1.tsuki-board.net/upload/pictures/2017/08/02/1805423.pngApply the putty generously to any bubbles you see to make sure they are completely filled.
http://s1.tsuki-board.net/upload/pictures/2017/08/02/1805424.pngWait until the putty is hard and dry (no longer shiny).http://s1.tsuki-board.net/upload/pictures/2017/08/02/1805425.pngSand down the putty until you hit bare resin and the bubbles are filled.

Bubbles are easy to fill and the result looks great once the kit is primed. This step may seem pointless but if you do not fill them in your paint will not coat the kit correctly. For a cleaner paintjob and a better looking kit never skip filling in bubbles and scratches because it definitely shows. :)

At some point when you build GKs you will need to fill gaps where joints do not connect. Resin can warp during the casting process or you may accidentally sand too much. When this happens you can use putty to correct gaps and make a joint look seamless. Many GK builders use this process to smooth out multiple hair pieces, weapons, etc. It is usually best to wait until all parts of the kit are painted before puttying these joints since bulkier parts are harder to paint. This step is a little more advanced but it makes your kit look so much better. I may or may not do this with my Len kit where her skirt connects to her torso, we'll see :p

Here's how to fix a gap that does not fit correctly. This process is trial-and-error so if it doesn't work the first time don't give up! I am using Tamiya Basic putty in these photos since it is easier for larger scale areas.

http://s1.tsuki-board.net/upload/pictures/2017/08/02/1805402.jpegApply a thin layer of Vaseline to the part you don't want putty to stick to (Len's left leg).
http://s1.tsuki-board.net/upload/pictures/2017/08/02/1805427.pngTake the other piece of your kit and make sure that it's sanded down so that the putty has something to stick to.
http://s1.tsuki-board.net/upload/pictures/2017/08/02/1805428.pngApply putty generously to the piece. Don't be afraid to add too much, chances are it will be sanded down or fall off.http://s1.tsuki-board.net/upload/pictures/2017/08/02/1805429.pngSlowly take the two pieces and push them together until they fit well.
http://s1.tsuki-board.net/upload/pictures/2017/08/02/1805430.pngWait 5 minutes or until the putty becomes firmer, then remove the Vaseline-coated piece of resin.https://static.myfigurecollection.net/upload/pictures/2017/08/02/1805435.pngThe fully sanded, primed piece no longer has a gap.
Ideally the Vaseline will prevent putty from coming off and you'll be left with one piece coated in putty. Wait until the putty cures completely, then sand it down and see how well it fits. If the piece fits you can remove the Vaseline by taking a cotton ball and wiping it down with Isopropyl rubbing alcohol. Make sure that all of the Vaseline is removed or else there will be problems with the priming process.

If the piece won't fit with putty you can bend it with heat to ensure a better fit. Don't worry about permanently melting the resin; it is very durable and has a high melting point (PVC melts around 140-160°C) so applying heat for a while won't deform your piece forever.
http://s1.tsuki-board.net/upload/pictures/2017/08/02/1805422.jpegMy sister's lovely breast-cancer hairdryer.http://s1.tsuki-board.net/upload/pictures/2017/08/02/1805408.jpeg
I usually use a blow dryer on high and put it right near the piece in a towel so my hands don't get burned. Be careful when handling the pieces because they get very hot. I have also heard you can bend resin by sticking it in boiling water for a few minutes but this method has never worked for me.

I have also seen a builder use a layer of plastic wrap instead of Vaseline to prevent the sticky mess and it worked just fine but I actually tried it for this WIP and it didn't work at all haha. There are many ways to putty or fix a gap so it's up to you to find a method you prefer.

Okay, so your pieces fit together nicely and you have the perfect paint and you're ready to start coloring your kit because you just can't wait anymore! STOP RIGHT THERE!!! One of the most common mistakes beginners make in this hobby is applying paint to an unprimed kit. You need primer!

I don't want to endorse primer 100% of the time because there are methods that do not require it (ex. the "clear-skin method" many professional GK builders use) but most are advanced techniques that require an airbrush and enamel or lacquer paints. Since I will be working with acrylic water-based paint primer is absolutely necessary. Believe me, if you do not use primer with acrylic paint chances are at some point your paint will begin to peel and then hell will break loose as all your hard work comes peeling off in chunks...yes I'm speaking from personal experience so DON'T FORGET IT (╯°□°)╯︵ ┻━┻

Most people who know a little about GKs have heard primer is used to help paint adhere to your kit and that is completely true! However, it is also very useful for finding little flaws in your kit (scratches, air bubbles, excess putty, etc.) that are not visible on white resin. Finding these flaws will also help your kit look smooth and professional.

http://www.nationalartcraft.com/images/sub-1759-06.jpgTamiya makes a great hobby primer that I will be using but if you're just starting out automotive primer or primer from a craft store is also acceptable. Krylon makes these awesome "snap and spray" plastic gun extensions for around $5 that you can attach to your can which allows for finer control.If you have an airbrush you can also buy primer for it or spray into a little glass jar and then put it into your airbrush.

What you want from your primer is something that gives you a smooth surface. You should spray 6-8" away but it depends on the size and complexity of the piece. There isn't much to priming but there are a few things you should try to do.

  • USE GLOVES AND A MASK! Primer is full of chemicals and it can be difficult to remove. Save yourself the trouble and buy a small box of disposable gloves, a box of 500 is like $12 on Amazon. :p I use ones from my chemistry lab and they work great. A simple mask will also protect you from fumes and you should spray outside whenever possible.
  • DO NOT overspray your kit! Since your objective is to find flaws you need a thin coating of primer. One of the worst things I did when I first started out was douse my pieces in primer up close. The result was a sticky, gooey mess that attracted dust and covered details that I needed paint.
  • DO NOT spray far away! There is a balance between spraying too much and too little. While spraying too close results in an ugly coating, spraying too far away causes small flecks to accumulate on your kit giving it a bumpy appearance. You can tell when you screw up because when you rub your fingers against the piece it has a weird texture.
  • Try to match colors! If your character has a light color scheme don't cover the kit in black primer! Light paints shine brighter on white or light grey primer while dark paints go well against black or dark grey primer. If you are hand painting this information is crucial because you will need many layers of light paint to cover up a dark primer. Lots of layers increases the chance for paint to peel so you can save a lot of time by matching color schemes.
  • Don't worry about coating the entire kit (the first time). Chances are you screwed up something on your kit during the sanding/priming process so there's no point wasting expensive primer on something you're going to sand down anyway. I remember a guy I admired in this hobby who barely sprayed any of his pieces until he was ready to paint. I have gone through countless cans of primer and at $6-8 a can it stacks up very quickly. Save the nice coating of primer for when you're sure you filled every air bubble and sanded down every scratch and problem on your kit.

Priming is self-explanatory but here are a few before and after pictures. Notice how most of the parts are still very smooth after priming and most of the little defects are just dust. Once you have finished priming the pieces you can start to examine them.

https://static.myfigurecollection.net/upload/pictures/2017/08/02/1805414.jpegSmart idea to prime my stuff after a dust storm lolhttps://static.myfigurecollection.net/upload/pictures/2017/08/02/1805442.jpegAll parts primed
Here are a few defects I found while observing my first coat of primer:
This piece had a small scratch that needed to be filled with putty. I was lazy and sanded it down since her skirt will cover it but ideally you would fill the scratch with putty to prevent making curvy areas too flat.
There are a few dust spots and a seam line here that were easily sanded off with a high grit sandpaper (1000 grit). Carefully remove and sand down these spots and you should be fine.
After you finish applying your last coat of primer you can pin your kit together again to see how it looks or go straight into painting. Paint layers will also affect how your parts fit together so try to keep that in mind.

Next time I will cover hand-painting a kit, sealing your work, and any last touch-ups including working on the base! I promise that the next post won't take long, I'm actually painting Len now :p. Thanks for taking the time to read my blog and thank you for the support!
16,491 Hits • 58 Favouriten9 Kommentare


A great blog indeed verry helpful! As a refference i was wondering, will the Tamiya White Putty do the same work as the Tamiya Epoxy Putty(the double parts stuff), since the price difference is not big, and i need something to fill the gaps with, any proposals?
Vor 6 Jahren
GSLinux Love coding, video & figures!
takenyakaVor 7 Jahren#1559610ahhh I feel so sad all this Tamiya stuff doesn't selling in our art stores TAT""" will order from ebay or etsy for sure
thank you, so helpful post!

You can also order some Tamiya products from HLJ. ^^
Vor 7 Jahren
takenyaka Lunar Kaworu
ahhh I feel so sad all this Tamiya stuff doesn't selling in our art stores TAT""" will order from ebay or etsy for sure

thank you, so helpful post!
Vor 7 Jahren
Keripo 「ケリポ」
This is why I assaulted Len... I mean awesome, can't wait to see the painted result!

Vor 7 Jahren
Amazing tutorial as always, Muntoe!! >w< Looking foward to your new blog~~~
Vor 7 Jahren
Patience and hard work. Great blog !
Vor 7 Jahren
Good Work ! ^^
Thanks for the effort you put in your Blogs.
Vor 7 Jahren
Jofuu 〜Q☆N*・♪
I'm definitely bookmarking your blog! thank you for going over all these steps in detail. I have a couple of GK kits that I want to work on over the Summer (my first kits) and I'll take all the help I can find. I'm looking forward to your next posts :)
Vor 7 Jahren
Yay! Thanks Muntoe!
Your tutorials are always so helpful.
I am definitely excited to see the hand-painting tutorial.
Although, it looks like there is so much you have to be prepared for when working on a GK.
I need to get ahold of that primer.
Vor 7 Jahren
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