TOPS Precision delivers ISO-certified foam machining with an industry-leading tolerance of ±0.05 mm. From high-density PU tooling boards to protective EVA inserts, we provide zero-burn, burr-free foam components for aerospace, medical, and industrial prototyping.
Start your prototype with 1 piece.
Get free Design for Manufacturability feedback to reduce your material waste by up to 20%.
At Tops Precision, we offer a comprehensive CNC foam milling solution. Whether you need a prototype or low-volume to bulk product production, we have the right facility to facilitate your requirements.
Our advanced milling machines allow us to process a wide range of foam materials. We machine parts with superior dimensional stability and surface quality. We utilize High-Velocity Air Cooling and specialized O-flute routers to prevent material melting and surface tearing, ensuring a ‘sand-free’ finish straight off the machine.
Whether you’re working with lightweight models, packaging components, or display prototypes, our team validates that each part meets strict tolerances and delivers on time. We take pride in serving clients globally with fast turnarounds and consistent quality.
Aerospace-Grade Precision on Lightweight Materials.
At Tops Precision, we produce standard-quality foam parts with high accuracy, consistency, and speed. Our CNC foam milling services are intended to match your exact design. No matter which sector you belong to, we provide reliable, one-stop solutions for various industries.
Whether you’re developing early-stage prototypes or need to produce lightweight components for end-use, we deliver results that meet tight tolerances and clean finish standards.
We support a wide range of applications, including:
Our process integrates innovative technology and skilled craftsmanship. It allows us to validate that every foam part meets the highest quality standards.
Material Selection:
Our team consults with you to choose a suitable foam material. We consider factors like density, compressive strength, thermal properties, and surface finish requirements.
Design Review:
In the next stage, our engineers thoroughly review your CAD design files. They will assess manufacturability and suggest optimizations to improve your design. This helps you avoid unnecessary production delay.
Precision Machining:
We have new-generation CNC milling machines in our In-house facility. These assist us in producing the foam parts to a strict design. In addition to that, we are able to reach tolerances as tight as +/- 0.05 mm even on the most intricate shapes.
Surface Finishing:
During our milling process, we work out straight edges and perfect surfaces. Thus, you can save expenses on post-finishing processes. In addition, it assists you in satisfying both aesthetic and functional needs.
Quality Inspection:
The quality remains our top priority. All the parts are inspected thoroughly. These include manual in-process inspections and final quality checks. On top, our services conform to the ISO standards. We check dimensions, quality of the surface, and material integrity to ensure quality and consistency of results.
Packaging and Delivery:
After inspection, parts are carefully packaged to protect against damage and ensure smooth transit. We offer worldwide shipping with fast lead times to meet your constrained project deadlines.
Foam CNC milling is a subtractive manufacturing method. It involves a computer-operated machine to cut foam blocks. A 3D CAD model is created digitally. It is intended to guide the milling machine. Each part is formed by removing a layer at a time. The outcome entails a clean and correct component with consistent quality.
The procedure applies to numerous foam types of varied densities. Popular types are rigid, flexible, and structural foam. It favors close tolerances, typically to within 0.05 mms. The edges of milling are smooth, and good surface finishes are obtained. On top, it does not produce eliminates surface burns and burrs. This makes it suitable for functional or display-ready components.
Foam CNC milling can be used to serve different industries. Usually, it has extensive use across prototypes, packaging inserts, and lightweight models. Aerospace industries, automotive, and consumer products industries also depend on it.
Here are some of the common foam types machined at our in-house facility. In case you have a custom request in mind, for instance, you need a material that is not present in the list, feel free to consult our team. We will help you select the best foam based on your functional and visual requirements.
Foam Type | Common Applications / Parts Manufactured |
Polyurethane Foam | Product prototypes, display models, and custom packaging inserts |
Neoprene Foam | Seals, gaskets, insulation panels, and impact-resistant pads |
EPDM Rubber Foam | Weather seals, automotive gaskets, thermal insulation components |
Flexible Plastic Foams | Protective padding, medical supports, and lightweight enclosures |
Polystyrene (EPS/XPS) | Architectural models, signage, sculpted displays, and packaging shapes |
Polyethylene (PE) Foam | Shock-absorbing inserts, case liners, and tool organizers |
EVA Foam | Sports padding, helmet liners, and custom foam blocks |
PVC Foam (Foamed PVC) | Sign boards, display panels, and lightweight structural applications |
| Foam Type | Key Property | Typical Applications |
| Rigid Polyurethane (PU) | High structural strength | Tooling boards, check fixtures |
| EVA Foam | Shock absorption & flexibility | Helmet liners, medical padding |
| Polyethylene (PE) | Chemical resistance | Case liners, laboratory organizers |
| PVC Foam | Lightweight & Rigid | Signage, structural sandwich cores |
Whether you’re building display models, packaging inserts, and lightweight components, our services help you move from concept to a part ready to use. You get the following benefits by partnering with our team.
Our facility can accommodate close tolerance up to +/- 0.05 mm. This accuracy allows such designs to be specific and precise. It is perfect for parts that demand clean shapes and accurate sizing.
Since no molds and custom tools are needed. So, the setup is quick and lead times are shorter. You can get your parts in minimal turnaround, so neither in weeks, nor in days. You can have parts-perfect when you have a rush or short-run job.
We cut polyurethane, polystyrene, neoprene, EPDM, and many more foams. This covers a diverse range of applications, such as soft packaging to firm structural components. We assist you in choosing the appropriate form material as per your project requirements.
CNC machining is relatively cheap since it does not involve costly molds. This makes it ideal for use in small production, prototypes, or one-offs. So, you can bypass hefty conventional manufacturing setup costs.
The size, finish, and detail of each part are checked meticulously. Our Engineers can achieve repeatable quality even in complicated shapes and profiles. You will get consistent quality parts, no matter the volume you require.
Foam CNC milling is widely applicable in many industries. As mentioned before, you can make precise and lightweight parts. It works well for both prototypes and low-volume production parts that require accuracy and clean finishes.
Engineers and design manufacturers use CNC foam milling to create models for testing shapes and functions. This helps identify problems in the early stage and speeds up product development.
Custom foam inserts protect fragile items during shipping. CNC machining shapes foam to fit products exactly. It avoids movement and damage.
Foam parts serve as models, tooling, and lightweight components. Their low weight and strength meet the strict standards of these industries.
Architects and designers create detailed scale models and presentation pieces. CNC milling gives smooth surfaces and precise shapes needed for accurate visuals.
Machined foam is used for making jigs, fixtures, and tooling boards. These help improve production efficiency and reduce costs.
While standard foam cutting is imprecise, TOPS Precision uses high-speed spindles to achieve tolerances as tight as ±0.05 mm on rigid foams.
Yes, our multi-axis CNC machines can handle intricate geometries, undercuts, and smooth organic profiles for architectural models and aerodynamic prototypes.
Rigid foams like High-Density Polyurethane (PU), Tooling Board (RenShape), and Rigid PVC foam are ideal for precision milling as they hold sharp edges and intricate details. For shock absorption or packaging, we also expertly machine flexible foams like EVA, EPDM, and Polyethylene (PE).
We use specialized O-flute solid carbide routers and high-velocity air-cooling systems. This combination prevents heat buildup—which causes melting in EPS/XPS—and ensures a clean, “sand-free” surface finish that is ready for display or functional testing without extensive post-processing.
We accept all industry-standard CAD files, including STEP (.stp), IGES (.igs), and SolidWorks (.sldprt). Every project includes a Free DFM (Design for Manufacturability) review where our engineers suggest optimizations to reduce material waste and machining time, helping you lower costs.
No. We support everything from single-piece functional prototypes to low-volume production runs. Our goal is to help you move from concept to physical model as fast as possible, often with a turnaround of just 3-5 business days.