Tips on Making 3D Printed Molds
Mar 29, · Create a new box to make a mold in, this time to the existing mold's length and width, allowing enough space in the height to pour the second part of the mold on top. Set the object, mold side down, in the box. Make sure it fits snugly enough to not allow any . Wilton makes silicone baking molds to help make baking fun! Explore a wide variety of silicone molds, including cups, pans, molds for candy, and cake and cupcake molds. Shop from a selection of molds that are funny, scary, sweet and dishwasher safe, here at Wilton.
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Pros and cons to using 3D printing to create molds
Silicone resin molds are used to make colorful and beautiful letters and numbers, help your baby learn happily. Improve the parentage of your family during help your children grow Multifunctional Molds Perfect DIY making kit for 3D letters, necklace pendant, crystal, jewels, keychain charm, handmade accessories, craft gifts, house number, etc. 3D Skull Ice Cube Mold Silicone Tray, Makes Skulls, Leak Free, Ice Cube Maker, Whiskey Ice, Chocolate, Soap and Bath Bomb Molds (8, BLUE) out of 5 stars $ Sep 29, · Shallow molds in sheet form called texture molds can also be created, and reverse molds made in two steps can act as stamps. Most clay molds are "push molds" which make casts that are flat on one side, but two-part molds can be made for creating 3D molds .
To create this article, 13 people, some anonymous, worked to edit and improve it over time. This article has been viewed , times. Learn more If you have a decorative item that you would like to reproduce, you can make a mold of the item in order to make the reproductions yourself. You do not have to be a professional to get professional results with your molds, and you can make molds of any size, weight or shape.
Follow these basic how-to steps for mold making. Add 1 inch to the measurements and make a containment box for your mold out of 5 pieces of foam core board cut to size. Mix up a batch of rubber compound according to the package instruction. Paint a thin layer of the compound over the face of the object, then place the object into the box and fill the box with the rest of the rubber compound.
Once the compound sets, tear apart the box and take the object out of the mold. To learn how to make a mold of a 3D object, read on! Did this summary help you? Yes No. Log in Social login does not work in incognito and private browsers. Please log in with your username or email to continue.
Cookie Settings. Learn why people trust wikiHow. Download Article Explore this Article methods. Tips and Warnings. Things You'll Need. Related Articles. Article Summary. Author Info Last Updated: March 29, Method 1 of Decide if you need a 1-part or 2-part mold. If you are making a mold for an object with 1 flat side, then you need a 1-part mold. For complex, 3-dimensional shapes, you will need to make a mold in 2 parts.
Measure your object's height, length and width. How else would you know how big of an area you need? Make sure to get all the dimensions! Make a containment box for your mold using your measurements. This can really be any material you like. If the edges aren't airtight, however, you'll need to adhere the edges to surface with clay or a clay-like substance. Add least 1 inch 2. You'll need the extra space for the mass of the mold.
Out of foam core board, cut 2 walls for the width and 2 walls for the length, keeping in mind the object's height. Cut 1 square width measurement by length measurement for the floor piece. Make a box by gluing the 4 walls together and then to the floor section with super glue.
Again, if this isn't airtight, it won't do the job. Method 2 of Prepare your object to be set. The method you'll need to undertake varies slightly with the type of mold you're using: For a 1-part mold, secure the flat face of the object to the floor section of the mold box using an easy-release adhesive compound. This prevents any of your moldmaking compounds from leaking. You may want to stay away from Insta-Mold and stick to modeling clay.
Once you feel you have submerged the lower portion of your object to its approximate half-mark, smooth the top surface of the clay as much as possible before moving on to the next step to make a mold.
Mix your rubber mold compound according to the package directions, or use reusable molding material. There are a number of varieties out there, so it's advised to do your research before you purchase anything. Latex moldmaking compounds are cheap and simple, but they take a long, long time to set. Silicone RTV moldmaking rubber is a solid bet, regardless of your project. Reusable molding material is not for high temperature casting, but can be remelted.
Prepare the object's surface. Paint a thin layer of the rubber compound on its face right before pouring. Be sure to pay close attention to any crevices or small surface details. This initial thin layer should take care of the details, but still be diligent. Pour your mold. Be sure to fill your mold box to its full height. The object needs to be fully covered and then some. Make sure to give your mold time to set, according to the product's instructions.
Method 3 of Tear the mold making box off, exposing the mold. Pull the object out of the rubber mold. Your mold is ready for use! To make molds in 2-parts, move on to the next step. Carefully remove the clay, leaving the rubber mold half intact.
Use a hobby knife to cut 3 or 4 pyramid shapes into the face of the mold. These will serve as matching-up joints for the 2 finished mold halves. Create a new box to make a mold in, this time to the existing mold's length and width, allowing enough space in the height to pour the second part of the mold on top.
Set the object, mold side down, in the box. Make sure it fits snugly enough to not allow any new rubber compound to drip down the sides. Paint the face of the mold you will be pouring on with mold release compound or thin film of vaseline.
This will prevent the 2 mold halves from sticking together. Pour your mold, let it set, then remove the box and pull the 2 sections apart. Your 2-part mold is complete. Not Helpful 3 Helpful 9. Plaster of Paris for modeling molds or concrete if you want the model to be heavy. Not Helpful 2 Helpful 3. Just make a regular mold, and coat the walls with the molding product. Don't fill the mold, but spread it equally against the inner surface and wait for it to dry.
Not Helpful 3 Helpful 3. If it's clay, then do the same as you would do for play dough and put in a bit of clay that fits the mold perfectly. Not Helpful 3 Helpful 4.
Try to reproduce a real model with a malleable material, like clay, which would be a replica of the sketch. Then, follow the tutorial to make a mold from it.
I've had good results with painting the mold surface with used motor oil just before pouring the concrete. Just don't use too much, a light even coat works fine. Not Helpful 1 Helpful 2. What can I do if I don't have the object and I want to make a mold from an idea in my head? You must use your artistic vision to sculpt the object in clay, preferably one that will harden. You can then make the mold from that.
Not Helpful 2 Helpful 1. Get the clay, then make it not too thick and not too watery. For example, if you want to mold a cup, use a real cup, then cover it with clay. When it dries, remove it. Not Helpful 4 Helpful 4.