Basics of Mold Making How‑To's

Basics of Mold Making
These videos and step-by-step photo tutorials will introduce you to basic techniques for successful moldmaking. These tutorials are suitable for beginners. Whether you are interested in how to make a mold for reproducing a sculpted figure, an antique picture frame, an industrial pattern, an architectural molding, a fossil, animal skin (taxidermy), the texture of a piece of fabric, or a toy, you start by making a rubber mold. Whether you want to make one or one thousand reproductions of an original, you can do it using a mold. Whether your original model is made from clay, wax, plaster, sand, concrete, stone, metal, bone or almost any material, making a rubber mold makes it possible to reproduce that model – exactly.
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How To Make a Silicone Mold Using Mold Star™ 15

How To Make a Silicone Mold Using Mold Star™ 15

Learn how to make a simple silicone mold using Mold Star™ 15 liquid silicone rubber.

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How To Cast Smooth-Cast™ 300 White Liquid Plastic

How To Cast Smooth-Cast™ 300 White Liquid Plastic

The Smooth-Cast® 300 Series of liquid plastics are ultra-low viscosity casting resins that yield castings that are bright white and virtually bubble free.

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How To Make a Simple Block Mold Using OOMOO™ Silicone

How To Make a Simple Block Mold Using OOMOO™ Silicone

This mold making tutorial video shows how to make a one piece silicone block mold using OOMOO® silicone rubber

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How To Make a 2 Part Silicone Mold Using Mold Star™ 15

How To Make a 2 Part Silicone Mold Using Mold Star™ 15

This video outlines the 2-part block mold making technique using silicone rubber.

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How To Cast Smooth-Cast™ 325 Urethane Resin

How To Cast Smooth-Cast™ 325 Urethane Resin

In this resin casting tutorial video, we demonstrate how to mix and pour Smooth Cast 325 liquid plastic resin.

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How To Make a 2 Piece Silicone Mold Using OOMOO™

How To Make a 2 Piece Silicone Mold Using OOMOO™

Mold box construction, model preparation and release agent application for a 2 part pour on mold are covered in this video.

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How to Make a Silicone Brush On Mold of a 3D Object

How to Make a Silicone Brush On Mold of a 3D Object

This tutorial shows how to create a Rebound™ 25 brush on silicone mold of a figurine

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How To Make a Urethane Rubber Block Mold

How To Make a Urethane Rubber Block Mold

How to build a mold box, measure, mix, and pour urethane rubber to make a 1-piece block mold.

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How To Cast Smooth-Cast 300 Liquid Plastic Casting Resin Into a Urethane Mold

How To Cast Smooth-Cast 300 Liquid Plastic Casting Resin Into a Urethane Mold

Preparing a urethane mold for casting, measuring and mixing liquid plastic.

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How To Remove The Lid From a 1-Gallon Pail

How To Remove The Lid From a 1-Gallon Pail

Smooth-On one gallon pails are easy to open once you know the proper technique.

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How to Open and Dispense a 5 Gallon Pail of Material

How to Open and Dispense a 5 Gallon Pail of Material

Opening and dispensing from a 5 gallon pail properly will result in less wasted material.

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How To Use The Aluminum Pail Opener

How To Use The Aluminum Pail Opener

Aluminum pail opener opens and re-seals 1 gallon and 5 gallon plastic pails.

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How To Repair a Torn Silicone Brush On Mold

How To Repair a Torn Silicone Brush On Mold

How to use Sil-Poxy® silicone adhesive with a special reinforcement fabric to repair a torn mold liner.

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How To Repair a Torn Urethane Rubber Mold

How To Repair a Torn Urethane Rubber Mold

Repairing a torn urethane rubber mold using Ure-Bond® II urethane adhesive.

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How To Eliminate Bubbles In Resin Castings By Pressure Casting

How To Eliminate Bubbles In Resin Castings By Pressure Casting

Bubbles in clear castings can be removed by using a pressure casting technique, a shown in this tutorial video.

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How To Reduce Bubbles In Castings By Vacuum Degassing

How To Reduce Bubbles In Castings By Vacuum Degassing

Clear resin performs best when the material is vacuumed before pouring, this tutorial video outlines the steps for degassing.

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How To Extend the Shelf Life of Urethane Rubber and Resin

How To Extend the Shelf Life of Urethane Rubber and Resin

XTEND-IT® is a dry gas blanket designed to extend the shelf life of moisture sensitive polyurethane products.

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How To Pre-Mix Urethane Casting Resin - TASK™ 3

How To Pre-Mix Urethane Casting Resin - TASK™ 3

Properly pre-mixing a urethane casting resin is important to ensure the material cures properly.

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How To Pre-Mix Urethane Casting Resin - Feather Lite™

How To Pre-Mix Urethane Casting Resin - Feather Lite™

This video will illustrate the proper way to pre-mix Smooth-On Feather Lite urethane resin...

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How To Mix Urethane Casting Resin - Double Mix and Pour Feather Lite™

How To Mix Urethane Casting Resin - Double Mix and Pour Feather Lite™

Using the double-mix and pour technique helps to alleviate issues with unmixed resin.

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How To Pre-Mix Silicone Rubber - OOMOO™ 25

How To Pre-Mix Silicone Rubber - OOMOO™ 25

Not premixing silicone can result in the material not setting up correctly...

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video

How To Mix Silicone Rubber - Double Mix and Pour OOMOO™ 25

How To Mix Silicone Rubber - Double Mix and Pour OOMOO™ 25

This mold making essential video demonstrates the double mix and pour technique using a 1A:1B OOMOO silicone rubber.

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How To Measure Silicone By Weight - Mold Max® 20

How To Measure Silicone By Weight - Mold Max® 20

How to use a gram scale to accurately weigh rubbers, plastics and other materials.

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How to Double Mix and Pour Mold Max® 14NV Silicone

How to Double Mix and Pour Mold Max® 14NV Silicone

Inadequate mixing is the number one reason for silicone rubber not curing. This video demonstrates the double mix and pour technique.

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How To Measure Urethane By Weight - Simpact™ 85A

How To Measure Urethane By Weight - Simpact™ 85A

How to use a gram scale to accurately weigh rubbers, plastics and other materials.

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How To Vacuum Degas Silicone - Mold Max™ 30

How To Vacuum Degas Silicone - Mold Max™ 30

How to vacuum silicone to eliminate entrapped air and remove bubbles from your finished mold or casting.

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How To Vacuum Degas Urethane Resin - Smooth Cast™ 326

How To Vacuum Degas Urethane Resin - Smooth Cast™ 326

This video demonstrates vacuum degassing Smooth-Cast 326 to remove entrapped bubbles.

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How To Build a Mold Box

How To Build a Mold Box

Making a mold box for mold making. The mold box serves as a containment field for the mold rubber.

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Types Of RTV Mold Rubber

Types Of RTV Mold Rubber

Examining the different types of RTV mold rubber available for mold making and casting from Smooth-On.

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Moldmaking And Casting Terms

Moldmaking And Casting Terms

Common terms and definitions in the mold making and casting processes from Smooth-On.

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