What are the Common Pattern Materials for Sand Casting

What is needed for this process, and what are the common pattern materials?

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Instructions for Making Sand Casting Molds in detail Step by Step

10 Types of Patterns in Casting

1.5 Patterns: Lecture No.5 Sand Casting, PDF, Casting (Metalworking)

12.1 Introduction Two categories of expendable-mold casting processes - ppt video online download

10 Types of Patterns in Casting

3D Printed Sand Casting Patterns - Process & Examples

Casting: Definition, Importance, Types, and How It Works

Top 5 material used for making pattern & It's properties.

Sand Casting: Construction, Types, Applications, and Advantages

Tooling for Different Types of Casting Processes - MetalTek

Sand Casting - an overview

What is metal casting? How does metal casting work?

Back to the Basics: Bronze Casting Process - National Bronze Manufacturing

Sand Casting Process, Defects, Design