Let Istar help you get started on your project with our experience and know-how!

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Supports uploading of the following file formats: .step, .stp, .iges, .igs, .x_t, .x_b, .sat, .sldprt, .sldasm, .ipt, .iam, .prt, .asm, .pdf, .dwg, .dxf

Foam CNC Machining

Foam CNC machining is a cutting-edge process that uses computer-controlled tools to shape foam materials with amazing accuracy. At Istar Machining, we use special machines to cut, carve, and shape different types of foam into exactly what you need!

CNC Machining Parts

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Supports uploading of the following file formats: .STEP .STP .SLDPRT .STL .IPT .3MF .3DXML .PRT .SAT .DXF .X_T .X_B .JT .CATPART

23 Years

Istar Machining's years in the industry

300,000 square feet

The size of Istar Machining's factory

300 CNC machines

Our CNC equipment count

1000 skilled workers

Istar's number of skilled machinists/operators

Materials We Work With

We can machine many types of foam at Istar Machining, including:

  • EPS foam – great for packaging and models
  • XPS foam – stronger than EPS, good for signs
  • Polyurethane foam – perfect for molds and prototypes
  • High-density tooling boards – for strong, durable parts
CNC machining of various foam materials

Industries We Serve

At Istar Machining, we provide foam CNC services to many different industries:

Our Foam CNC Machining Services in Detail

Let’s look closer at what foam CNC machining can do and how Istar Machining makes it happen!

Material Compatibility

At Istar Machining, we work with foams from super soft (1 lb/ft³) to very firm (40 lb/ft³). This means we can make anything from soft packaging to sturdy molds.

Real-world example: We recently made lightweight foam cores for an aerospace company that needed testing models. The foam was light enough to handle easily but strong enough to stand up to wind tunnel tests.

Precision and Accuracy

Our machines can cut foam with amazing accuracy – as precise as ±0.005 inches! That’s about as thick as a piece of paper.

Did you know? We use special tools for each type of foam to get the cleanest cuts possible.

Size Capabilities

Need something big? No problem! Our machines can handle foam pieces up to 12 feet long, 6 feet wide, and 4 feet tall. That’s bigger than most cars!

Cool project: We once made giant foam letters for a movie premiere that were 8 feet tall but light enough for two people to carry.

Cutting Speed

When you need things fast, our foam CNC machines can deliver. We can process hundreds of foam sheets each day for high-volume jobs.

Time-saving fact: Foam CNC machining is about 5 times faster than hand-carving the same shapes.

Advanced Capabilities

Our 5-axis machining equipment can create complex shapes with undercuts and detailed features that simpler machines can’t make.

Amazing application: We made detailed automotive seat prototypes with ergonomic curves that helped a car manufacturer test comfort before making expensive production molds.

Complete Comparison Table of Foam CNC Machining Parameters

Product Parameter

Usage Scenarios

What This Means For You

Material Compatibility

Car prototypes, airplane parts

We can machine the perfect foam for your project – from soft packaging to tough molds

Tolerance Range

Wind tunnel models, precise tools

Get accuracy down to ±0.005″ – perfect for technical projects

Max Workpiece Size

Building models, movie props

Create huge pieces up to 12′ x 6′ x 4′ – bigger than a car!

Cutting Speed

Mass-produced packaging

Get 500+ foam pieces per day for big orders

5-Axis Capability

Complex molds, curved shapes

Make intricate designs with undercuts and flowing curves

Hot Wire Integration

Theme park props, insulation

Get smooth cuts on EPS foam for perfect finishes

Dust Management

Medical parts, clean rooms

Our machines capture 99% of dust for clean operations

Cost per Part

Movie props, startup prototypes

Start at just $85 for custom foam parts

Software Compatibility

Copying existing parts

We can work from your 3D files or scan physical objects

Surface Finish

Store displays, show booths

Get smooth, polished edges ready for display

The Istar Machining Advantage

What makes our foam CNC machining service special? Here’s why customers choose us:

Technical Expertise

Our team knows everything about foam machining. We can help you:
Choose the right foam type for your project
Design parts that will machine well
Solve complex foam cutting challenges

Quality Control

We check every part using advanced measuring tools to make sure it matches your specifications exactly.

Fast Turnaround

Need it quick? We offer:
24-hour service for urgent projects
Standard 3-5 day delivery for most orders
Scheduling options for production runs

Cost Efficiency

Our nesting software fits parts together to use materials efficiently, saving you 15-30% on material costs.

Our Foam CNC Machining Process

Here’s how we turn your idea into a finished foam part:

Step 1

Design Upload

Send us your STL, STEP, or IGES files

Step 2

CNC Programming

Our experts program the cutting paths

Step 3

Machining

Computer-controlled tools shape your foam

Step 4

Finishing

Smooth edges and apply coatings if needed

Step

Quality Check

We verify every dimension

Ready to Start Your Foam CNC Project?

Getting started is easy! Just follow these simple steps:

  1. Send us your design files
  2. Get a free quote
  3. Approve your project
  4. We’ll machine your foam parts
  5. Receive your finished pieces
Industrial CNC machines cutting precision foam parts
Digital designs transforming into foam prototypes
Quality inspection of precision CNC machined foam part
Customer receiving finished custom CNC-machined foam project

Frequently Asked Question

Think of it like a super-smart robot that can carve foam into any shape – from simple blocks to complex 3D designs. This is perfect for making prototypes, models, packaging, and many other cool things.

It depends on the foam type. For XPS foam, we can cut details as small as 0.06 inches. For polyurethane foam, about 0.12 inches is the limit.

Most projects are done in 3-5 business days. Rush orders can be completed in 24 hours for an extra fee.

Hot wire cutting uses a heated wire to melt through foam, which is fast but limited to straight cuts or simple curves. CNC routing uses spinning cutting tools that can create much more complex shapes with detailed features.

Yes! We can apply special coatings to foam parts that make them weather-resistant. We can also recommend foam types that naturally resist UV damage.

Please enable JavaScript in your browser to complete this form.
Click or drag files to this area to upload.You can upload up to 5 files.
Supports uploading of the following file formats: .step, .stp, .iges, .igs, .x_t, .x_b, .sat, .sldprt, .sldasm, .ipt, .iam, .prt, .asm, .pdf, .dwg, .dxf

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Please enable JavaScript in your browser to complete this form.
Click or drag files to this area to upload.You can upload up to 5 files.
Supports uploading of the following file formats: .step, .stp, .iges, .igs, .x_t, .x_b, .sat, .sldprt, .sldasm, .ipt, .iam, .prt, .asm, .pdf, .dwg, .dxf