Mold Making Tutorial: How to Make a Traditional Polyurethane Mold

During this quick tutorial, we are going to show you the process we use to create traditional polyurethane molds.
Some of the products we mentioned:
Shellac Spray-
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2" Chip Brushes-
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[@LisaHeath-f9y]

How do you get the registration bubbles on the polyester plastic?

[@katherinegordon8088]

Also what do you think of using your finished mold for paper mache copies of this wolf or another similar piece?

[@katherinegordon8088]

Please tell more about how those bubbles are made in the plastic shims. Also please provide a full product list and where to buy the chopped fiberglass because I do not have a chopper. only a food blender, lol. My current project is a life sized Mountain lion made from paper mache, covered with paper mache clay and joiint compound. so a release agent for that particular layer will also be used and would like to know if vasoline covered with blue tape is a good choice for that layer?

[@shaunmcinnis1960]

Thanks for posting this..gets a sub. like.. I always had a thing for 3d. 20 years ago I was going to try to make a living at sculpture but decided to do murals instead because I didn't think the demand was there. It was a good call then. Now after all these years Im going to go back to 3D again.

[@BillieFingers]

Please put fibreglass and resin into your title, I've been searching for days for a tutorial for this.

[@smallnuts2]

I was wondering if you can do a video on how you filled the mold up? Because of shape and legs. How would you add concrete? Plaster etc?

[@tinycuisine6544]

That’s one pampered dawg!

[@lennartvandendoel4449]

Wow I'm really grateful for seeing this video. Thanks a lot for sharing!
- do you also have a video of the process after mold is done? How do you cut open the mold on those created walls?
- how did you create those plastic sheets with ball shape in it? (Registration keys). Are those thermoformed or do you make it somehow yourself?

[@IconPoly]

Lennart,
I don't think we have a video of cutting and de-molding yet. That is a good idea and we will see if we can get one done soon. We start the de-molding process by cutting the edge of the shim with a reciprocating saw with an all purpose blade. Then we use chisels, wedges and pry bars to start separating it and working off the piece.
We have a vacuum form machine here and make them out of very thin plastic. Most mold making supply stores should have a variation of them you can buy by the sheet. We have thought about selling them ourselves but we would have to charge so much for them we would not feel good about it. I hope this answers your questions. Sorry for the delay, for some reason I did not get the notification from UA-cam about your comment.

[@katherinegordon8088]

I was wondering this as well, I think I would use a grinder. Id ike to see one of the copies made from this mold .

[@KieranMeadows]

Excellent, I really appreciate you taking the time to put this video together. Very best to you

[@CanadianVader]

Jesus…. None of them wearing face masks. Fibreglass is something you would need to cover your face when working with folks.

[@wittyfpv]

Do you know if you can u use the poly fibre in a silicon molding product to thicken it the same way?

[@TheLifeofJenelle]

Can we send you an item to mold?

[@BuyMagicMushroom]

Yes we are based in uk send your email

[@gabrieldanish2937]

It's gud but mold removing n casting new piece should be also there for complete information

[@georgelinares6231]

I wonder if classic car bubble skirts can be made via a mold and polyurethane?

[@FullChokeFowl]

Have you ever made a urethane foam (pour foam) mother mold? So Clay object, release, rubber, release, and then pour foam as outside layer. Ever tried that?

[@paulbolton7232]

Do you find polyurethane rubber better than silicone or latex
Thanks

[@benjaminruiz4760]

Hi i am looking to buy a live size rhinoceros mold do you sale them or know were i can buy them.

[@orlandopaz9155]

Amigo te saludo de Guatemala, en qué empresa compras el poliuretano para hacer tus moldes? Gracias

Likeee

[@angelarose3808]

Where did you get your shimming plastic?

[@spulgelanderlein3978]

Thanks for the video!

[@bluenovacorgi8230]

Well...what happened afterward?

[@suresh8722]

Sir,u mix at some type of powder,, what is it.

[@GNUSouthAfrica]

Amazing work ! Well done...

[@Jango975]

Let’s see the finish product

[@cmckay1571]

Where did you get the dog/coyote form?

[@MrRobbyart]

Excelente artistas!!

[@suddahewageshanthapriyalal9999]

Thanks

[@suddahewageshanthapriyalal9999]

Thanks

[@АкромжонОртиков]

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