Mold Making Tutorial: How to Make a Silicone Squish Mold for Casting a Plastic Model Car Body
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- Опубликовано: 11 апр 2017
- In this instructional how to video, mold making technician Milo showcases the "squish mold" technique, which is very common for making thin-walled resin castings such as casings and enclosures, or in this case a model car body.
He then makes an attractive bronze metallic casting from this mold using high-performance TASK 4 urethane plastic. TASK 4 is the perfect choice for a thin-walled creative craft casting like this, as it remains strong even at less than 1mm thickness.
Materials demonstrated in this video
SORTA-Clear Translucent Silicone: www.smooth-on.com/product-lin...
TASK Series High-Performance Plastic: www.smooth-on.com/product-lin...
Cast Magic Metallic Powder: www.smooth-on.com/product-lin...
UVO UV-Resistant Color Tint: www.smooth-on.com/product-lin...
Mann Ease Release 205: www.smooth-on.com/product-lin...
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Is it wrong that seeing someone with a giant bucket of SmoothOn products makes me smile? I just wish I had the $$$ to experience the joy for myself :P
Thank you for watching. It makes me smile too!
I think that's the first time I see this kind of video without going mad at mistakes.
It has been great to seen for once someone knowing what he's doing!
Wonderful tutorial; thank you so much! I'm completely new to mold making and casting, and found this very helpful. Wish me luck!!
Good Luck! Should you need help along the way, contact our tech support team here: www.smooth-on.com/support/
I’m def wishing you my prayers of best of luck
Sold ! Finally found the right two products for my HO structural parts. Thank you for sharing.
Glad to hear! Thanks for watching!
Thank you, Thank you, Thank you. I have always been interested in resin casting and after watching your video I am excited about the process of making car bodies and parts. I am going to watch the rest of your videos. Also, I have never used resin before so I really appreciate you sharing the process of using it as this is how I learn more about it. Thanks. Jeff
Thanks for watching, llouie llouie, and don't forget to subscribe for more how-to videos!
I really enjoyed watching this, no waffling, very concise and very informative. Thank you very much.
Thank you for watching! Don't forget to subscribe!
Thanks.....for the CLEARED tutorial......
I really like the nice looking graphical product pages on their website. Makes it really easy to understand which product is right for the job.
Thank you for watching!
you've a very clean work, i like it , you're a master sir
Excellent video!
Thank you for watching!
Great work.
Thank you for watching!
Excellent video thank you so much!
Thank you for watching!
Super talented id love the know how cause he makes it look so easy trust me its not as easy as u wish. Hes a natural great kooking resin cast too well done
I don’t even do this stuff, but I like watching a craftsman at work.
Keep it up, friend!
Thank you!
Love this!
Thank you for watching.
I'm inspired... I will buy it all !
Thank you for watching!
Super Nice!!!!!
Thanks for the visit
Thank you so much for the video!
Thanks for watching!
Thank you for this great video
Thank you for watching! Don't forget to subscribe!
Great video , thank you!!!!
Glad you liked it!
great tutorial
Thank you for watching! Don't forget to subscribe!
Thanks so much..... Amazing
well done
Man, I got hooked up on casting.
nice and easy learning thanks.
Thank you for watching!
Great video!!!, I would like to know, how you decide between pour the resin into the bottom halft of the mold or through a channel just into the bottom area too of the mold? wich method is better and why?
I recently built a large pressure chamber and bought a vacuum chamber too.
Amazing
Thank you for watching!
So when scraping the clay.. is it level with outside of model? Leaving the thickness of model into the clay?
resultado incrível!!!
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Excellent teaching, clear, precise with no time wasting waffle..Thanks. Just one question; do you use any solvent/s to clean any part of the master or mould?
Thanks for watching. You may find this link helpful - www.smooth-on.com/support/faq/118/
Very handsome guy :). Love the info!
Thanks for watching!
Very welcome! Great info. Very clean mold!
How do you know how much resin to pour to get a complete fill? Since you have no venting to allow excess air and resin to escape, what becomes of the extra resin in the event that you over-fill the cavity?
Thank you very nice
Thanks for watching, and don't forget to subscribe for more how-to videos!
جميل جدا رغم أنى لا أجيد الانجليزية ولكنك محترف شكرا لك
Very interesting as I want to do some casting.
Thanks for watching, healey100austin, and don't forget to subscribe for more how-to videos!
Just done so!
thats was awesome, it would be great if you could show a video of making a cast with iron metal powder and resin to make a rustable model that can be put in a garden to get rusty with natural weather as im casting a life size robot head from a popular film and have already made the silicone mould and brought the iron powder ready to cast with my polyurethane resin. thanks
Great idea - we have put this on our roadmap!
Great video.
I plan on casting a single-gang drawn electrical handy box using a crystal resin. Would the process be the same? I'm worried about breaking the "screw tabs" (that point toward the inside of the box) when separating the two silicone halves.
Wao lovely video
Thank you for watching!
Great tutorial.
Thank you!
Anywhere I can find a good info resource site about the various molding plastic types, and their properties, for the type of cast I want to achieve?
We have a comparison tool on our site which may be of help - www.smooth-on.com/compare/
i was just amazed on what your product can do, can i request for you guys casting a 1/24 tires and rims too?
Great idea - thanks!
a video of molding things like air filter covers or plastic parts for lawn equipment parts like that would be great. due to some being obsolete .thanks
That's a great idea Ronald. Thanks for watching!
Your videos are really helpful! I'm wondering if there is another way to prevent bubbles while mixing sorta-clear. I don't have pressure equipment, as I am making molds of very small things. I've heard putting them in the fridge for up to six hours works really well, but i was wondering if you guys had any thoughts. Thank you!
I have the same question. I'm wondering if applying a massager to the base might help giggle the bubbles up through the mold.
for those that don't have an pressurize, just tap your silicone, like plaster. the bubbles will still reach the top.
I would love to see a Tachikoma cast/mold!
Great idea! Thank you for watching!
Great job!
Thank you!
I can not choose a similar plastic, but with high heat resistance. Maybe it's TASK 8.
Does it have similar mechanical properties for thin section castings?
Can you send us a tech ticket? www.smooth-on.com/support/ticket/add/
Such a great video! Could you do a video on making rubber tires for a model?
Great idea! We will let the video team know.
Great ,that's amazing like magic and better then 3d printers . I need to mold a bullnose propeller for my quadcopter would you show how to do that ?? thank you .
Thanks for watching, Prince Demiterios, and don't forget to subscribe for more how-to videos!
Good luck 🍀
How you dealing with thin screw holes seen in 6:58? You block them, and then later drill out in every casting?
This is an interesting video - thanks. I have an idea for a project which I suspect this would be very useful for but the object to be cast would be an automotive light front. The current item is glass and the casting material would need to be UV-resistant and impact resistant as well as strong enough not to crack readily.
I'm in the UK - would it be possible to discuss this requirement with someone from your technical department?
Thanks again.
Absolutely. You can contact our customer support at 1-800-381-1733 or online at www.smooth-on.com/support/ticket/add/agree/. You may also want to contact your closest distributor: Bentley Advanced Materials. www.benam.co.uk/contact-us/
how do you determine the amount of resin needed the calculator on the site doesn't explain how to estimate like a car body it only has solid object measurements?
One year later ,watching this video and I’m wondering the same thing.
But science to the rescue : use a graded water recipient, fill it to an specific level( like 1000 dm3), submerge the object, measure the difference, that’s your volume. The density of the resin should be easily available and from those two you’ll get the amount of resin needed( the mass).
An excellent tutorial - but what to do if you do not have degassing facilities - i.e a vacuum chamber?
if you're mechanically inclined, there are tons of DYI videos. i'll buy mine, though, they're not horribly expensive.
but, if you don't have one, you'll have to risk bubbles. based on what i've seen, you can reduce bubbles by pouring high, then tapping the sides of the mould.
Nice video and explanation of this process. I'm wondering how to modify the process to make a plastic shell like shown in this video, but starting out with a solid wooden plug for form of the car body? For the end result I would like a hollow car body so I could model an engine/car interior. Any suggestions? Thanks.
Can you send us a tech ticket? Our team can help you - www.smooth-on.com/support/ticket/add/agree/
Would like to see a video like this but using vent sprues and either injection or pour method.
Pretty much the same thing. Just add a pour spout on the underside roof of the model upwards and a few vent sprouts on the sharp points of the bottom of the model. lol
And you are video to be very inspiring and very helpful I probably liked and prescribed you as well can you show us how to do a 1972 Blazer mold thank you
Thanks for watching, we will let management know about your idea.
I want to make Vintage Gshock Bezel.. What type of resin will be used? Thank you..
Great tutorial! I would like to see a a tutorial on how to make body parts for a action figure like G I Joe or Johnny West.
This is a great idea! We will forward it to our video team.
Great product... Approximately what is the cost (not including the mold) of this cast using Task 4?
How many clean bodys can you get from that mold ?
very good video !!! looking for making complex mold, in this one there no airvents? and with no airvents the quantity of resine may be precise (too much resine and the mold dont close ?)...
The resin will find its way out of the mold between the 2 halves.
Hi, looking at your video and getting inspired, and I'm curious about setting up a vacuum degassing system, I'm wondering if there are any special requirements or considerations to think of when looking to purchase a vacuum pump for this application? If your vacuum chamber is for instance about 10 liters/ 2,6 gallons? Does the power/ liters/ pr minute of the vacuum pump matter? Or will a small pump jus take longer to produce vacuum in the chamber ? Thanks..
You will want an 8 CFM vacuum pump in order to pull the 29 inches of mercury required.
What would be the best plast for a more rigid case ? I am building a Portable Handheld console (videogame) and can 3D Print it in Resing to do the master mold first. I am in Canada. I will research where to find everything i need to do that casting. ;)
We have multiple options which may work. Can you send us a tech ticket? Our team can help you - www.smooth-on.com/support/ticket/add/agree/
Now I know who's hoarding all the popcorn containers
Hay Melo! Awesome video remember me it's Lou?
How could I! You were my best customer for tools! Say hi to John.
I'd like to see a tutorial of how you would mold something that would have internal voids, like a intake manifold.
Something requiring a core...great idea!
Wow I really like how you're doing all this, but only problem I'm having is I don't have a vacuum to take bubbles out. I would like to make replicas of my car lens or any interior or exterior plastic pieces. I'm trying to do a lot of research to which is the best material to use to make the molds and what kind of plastics I can use or even plexiglass so the parts are clear with no bubbles.
Any tips?
Yes, you can use a silicone for the mold which does not need vacuuming, like Mold Star 30. You can pressure cast the pieces instead of vacuuming.
good
Thank you for watching!
cool........
+Roger Warrington thanks for watching!
Hi, wondrous, your work is possible to learn like you
I would like to learn to reproduce a beer mug or coffee cup...I would imagine it is the same process...I have tried a few times with not so much profesh results. great video...thanks
This is a great idea, we'll add it to our roadmap!
Thank you for an excellent tutorial video. Nice easy teaching style and crystal clear to understand. Do you have a distributor in U.K.?
We do! www.benam.co.uk
Also, thanks for watching!
:)
There is a huge demand for 1/9 scale remote control truck bodies. The prices people are willing to pay for similar product ranges from $30 to $90. Look into it. There is money to be made!!!
Do you have video on rail track casting?
Congratulations man. Very nice tutorial. What kind off paint ou use to finish te cast?
Hi Luiz, you can use standard primer and paint - here's an FAQ which may help. www.smooth-on.com/support/faq/141/
Hey man great video, just a question, how do you get the casting piece to be bubble free without having to use a pressure pot? thanks.
Can you send us a tech ticket? Our team can help you - www.smooth-on.com/support/ticket/add/agree/
Great video! It would be very helpful to know about the costs for the materials ( silicone, clay, urethane etc). How many Dollars it cost to make a mold like this?
Hi Cosmo, this would depend on exchange rates, etc. but you can get pricing on all of our materials at shop.smooth-on.com
I would like to make a mold of my Commodore Amiga 500 case and cast it in transparent green resin. Can you recommend a resin and also since the case is just like this model only larger, is there a special silicone I should use so the mold does not sag under its own weight and possibly make the casting uneven? Thank you.
transparent resins require vacuum. you require a large chamber to fit you mold into.
I can't find any videos of anyone attempting to cast a factory style classic center console like maybe from a 64 chevy impala SS! would love to see it
This is a great idea! We will forward it to our video team.
Hey I wan to do a casting or a scale car model like the one that you used on this video. But i have never ever done any molding or casting work. Can I use the same silicone that you used on this video without the vacuum spet? I dont have anything to do this step vacum out the air bubbles.
The casting is for a proyect of a small car robot. And i expect a lot of tear and breaks if the casting is rigit plastic, on the process of testing the robot. So It would becaome handdy to have a few scale car models that are a little flexible and strong like the casting you did on the video.
We recommend looking at the Mold Star 30 for an option which does not require vacuuming - www.smooth-on.com/products/mold-star-30/
Hello Milo, Where do you get your projects from?
Looks great! About how much shrinkage do you typically get?
Very low - 0.0035 inches per inch - www.smooth-on.com/products/task-4/
That is like 3.5%
Does Task 4 take paint well? It takes 16 hours to set before demolding? What's the shelf life once opened?I just want to know because I used the quick setting one and there's usually not enough time once it's mixed to get it in the mold and one part of the resin and OOMOO always dies on me so it has to be thrown out. Also no one mentions pressurizing of the resin to get it nice. Good products, just a few rants.
TASK 4 doe require a full 16 hour cure for full strength in a thin section. For more info on painting resins, check out www.smooth-on.com/support/faq/141/
I'm trying to cast a 1/35 tank hull about the same thickness as your car model. However, the 305 I am using is too flexible. Will the Task 4 cure more rigid with little to no bending?
Hi there! This is a good question for our tech support team, can you send them a ticket here? www.smooth-on.com/support/ticket/add/agree/ Thanks for watching!
Why is it you always find the video you needed the week after. Lol.
Hi. I am new with this. I want to make molds mostly to use with edible things like fondant, gum paste and chocolate. which Sorta clear version is better for my projects? 18 or 37? I haven’t seen a video using sorta clear 18, so I don’t how hard it is once is cured.
Hello Adriana, Thank you for watching. Sorta Clear 18 is going to have a 18A shore hardness, where the 37 has a 37A. You can see the differences using our shore hardness chart - www.smooth-on.com/page/durometer-shore-hardness-scale/
How would you go about reducing both molds upper and lower pieces by 50% and ensuring a perfect alignment ?
Can you send us a tech ticket? Our team can help you - www.smooth-on.com/support/ticket/add/agree/
After making this part would all the other missing bits need to be cast from the same material? In other words could I just glue other parts made of different materials to this, like styrene?
Yes, the proper adhesive (CA glue or epoxy) would bond this to styrene or other materials.
I want to start recasting pieces for my gunpla kits. I would love to see a demo on how to make a two piece mold to recast gunpla model kit pieces
Can you send us a tech ticket? Our team can help you - www.smooth-on.com/support/ticket/add/agree/
Guys great video but duse it work the same for 1/12 plastic bidy to make the mould and casting
Yes, it would work at that scale.
nice tutorial! who i can do the glass in acrilic? who i can do this in metal?
You can use a high temp silicone such as Mold Max 60 for this process to make a metal casting.
You gave me a idea...I can use silycone, that one you use as glue... it can work?
That type of silicone is not made for moldmaking, the cure of caulking type silicone would be very long, and the tear strength of the mold will be very low.
How does TASK 4 compare to ABS according to stiffness. Would it be possible to cast DIY enclosure for electrocnics with it?
Many of our customers use TASK 4 to cast thin walled enclosures, the rigidity is very similar to ABS.
Ok Milo- excellent video, but the one question that I have which wasn’t discussed, was how to figure out how much resin for pouring the car itself?
You can use water displacement. Fill a container on a scale with water sufficiently to be able to submerge the object, zero the scale, submerge the object without pressing on the sides or bottom of the container and the weight increase in grams will be the volume in millilitres plus that of anything suspending the object that was below the water surface.
How are you ensuring a complete fill, and therefore void-free castings, without venting, gating, and spruing your tool?
The squish mold technique helps to eliminate these voids but there is a risk. Also, testing different amounts used to fill the mold can help determine the optimum fill level to allow air to be squished out.
Can you mold small model railroad cars or engines?
Hey, great video. Just have a question, for approximately how many car models of that scale do you think that those two buckets would suffice
Can you send us a tech ticket? Our team can help you - www.smooth-on.com/support/ticket/add/agree/
If I wanted to make a mold of a very delicate game board figurine, would this be a good choice?
Obviously on a smaller scale but my biggest concern is the mold breaking the original figurine. It’s one of a kind.
You may want to try a softer silicone such as Mold Star 15
How can I control the thickness of the bodyshell if I wanted to? Please help, much appreciated. Thanks
You could add clay to the car body before molding to add bulk to the original model.
Was the release agent added to the car part as well on the second half of the mold?
Adding to the car is optional, but release must be applied to the silicone.