Prototyping with
3D printing Service

What We Offer

internal visualization
Visualization of interior for Turbocharger

INAC US’s Prototyping 3D Printing service rapidly turns complex designs into tangible prototypes using advanced 3D printing technology. Our service is ideal for intricate structures, undercut shapes, and designs needing quick verification.

We utilize highly transparent, moisture-resistant materials like TSR-829, ensuring precision and quality in every product. From initial 3D data provision to final finishing and transparentizing, our process is efficient and detail-oriented, even accommodating decorative elements like coating and plating.

Choose INAC US for fast, accurate, and versatile 3D printed prototyping solutions.

Materials We Handle

  • TSR829 (highly transparent stereolithography material)
  • Durable/Elastic 50A/Standard (Clear/White/Black)/Flexible Resin 80A
  • PA2200 (Nylon)

Equipments for 3D Printing

MachineManufacturerProduct / model nameSpecifications X / Y / Z (inches)Total
Stereolithography equipmentCMET Inc.ATOMm-4000 D15.75/W15.75/H11.812
Stereolithography equipmentCMET Inc.ATOMm-8000 D31.5/W23.62/H15.751
Stereolithography equipmentFormlabs Inc.Formlabs Form 31

3D Printing Methods

Stereolithography (SLA)

Stereolithography(SLA) is a modeling method for 3D printers in which a tank of liquid photocurable resin is irradiated with ultraviolet laser light with the purpose of being able to harden and stack layers one by one.

Selective Laser Sintering (SLS)

Selective Laser Sintering(SLS) is one of the more prominent modeling methods for 3D printers. It is a method in which a powdered material (resin or metal) is irradiated with a laser beam and sintered layer by layer, to form a shape.

3D Printing Tolerances

Stereolithography (SLA)

SpecificationsValue, inches
Max Part SizeD31.50/W23.62/H15.75
Min Feature Sizeφ0.394
Tolerances±0.004

Selective Laser Sintering (SLS)

SpecificationsValue, inches
Max Part Size13.39×13.39×24.41
Min Feature Sizeφ0.394
Tolerances±0.012

Past Works

Internal visualization

High transparency stereolithography prototype

Method: 3D printing (STL: stereolithography)

Our company, INAC, which specializes in machined high-transparency products, is committed to provide high-transparency stereolithography model products.

3D printed glass cup

HIGHLY TRANSPARENT STEREOLITHOGRAPHY

  • Special technique enables highly transparent 3d printing with minimum bubbles.
  • Material: TSR 829 (Moisture-resistant highly transparent materials)

3D printed fine brush

Diameter is approximately φ0.24mm. Flexible enough and hard to break. Best printing condition is applied based on our adequate experience.

Characteristics

Material: TSR 829 (Moisture-resistant highly transparent materials)

Size: 30×60×15mm (diameter: φ0.24mm)

vs. Other Processing Methods

vs. 3D Printing

Advantages of 3D printing:

  • Capable of creating highly complex geometries and internal structures
  • Allows for rapid design iteration and testing
  • Reduces the need for tooling

 

Disadvantages of 3D printing:

  • Can be time-consuming for complex parts
  • Less cost-effective for one-off designs

vs. Injection Molding

Advantages of 3D printing:

  • Capable of creating complex 3D geometries
  • Offers high precision and accuracy
  • Works with a wide range of materials
  • Allows for easy design changes and iterations

 
Disadvantages of 3D printing:

  • Can be less cost-effective and slower for mass production
  • Tool accessibility may limit the complexity of parts

vs. Vacuum Casting

Advantages of 3D printing:

  • High precision and accuracy
  • Capable of creating complex 3D geometries
  • Works with a wide range of materials


Disadvantages of 3D printing:

  • Can be less cost-effective and slower for producing large quantities of parts
  • Tool accessibility may limit the complexity of parts

FAQs

Maximum processing sizes are as follows:

  • Stereolithography (SLA): D31.50/W23.62/H15.75
  • Selective Laser Sintering (SLS):D13.39/W13.39/H24.41

We can handle following 3 types of materials for 3D processing:

  • TSR829 (highly transparent stereolithography material)
  • Durable/Elastic 50A/Standard (Clear/White/Black)/Flexible Resin 80A
  • PA2200 (Nylon)

The following factors affect cost: material, form, dimensional accuracy, finish level, delivery date, quantity.

We can accept solid 3D CAD models in IGES (.igs), STEP (.stp), PARASOLID(.x_t) or STL(.stl).

Get In Touch!

If you have something you want to make, please contact us. Even a rough idea is OK.

We will give shape to your idea and deliver it to you. Please feel free to contact us.

STEP5: Quality Assurance and Precision Inspection

A quality inspection is performed. At INAC, where quality comes first, we use CMMs, gauges, and other equipment for precision checks.

STEP4: Post-Processing and Finishing

Finishing is done by removing the supports, polishing, and applying transparency treatment. It is also possible to paint and apply plating to the formed product.

STEP3: UV-Laser Print Formation (SLA Process)

Output: The product is formed by irradiating the liquid with a laser beam of UV light and laminating it. The conditions of the external environment, such as room temperature and humidity, must be maintained.

STEP2: Model Program Generation and Support Adjustment

A program for model formation is created. Depending on the shape, it may be necessary to adjust the degree of tilt and the position of the supports.

STEP1: CAD File Submission

Upload your CAD to our online quoting platform.

STEP 3: Rendering and Scene Integration

We can also handle exterior modeling and interior structure design based on illustrations. After creating the 3D models, we can create a rendering to fit a scene. We can deliver images even if we do not proceed with production.

STEP 2: Detailed Design and 3D Modeling

Once the design is determined, drawings and 3D models will be created. The structure will be examined, taking into consideration not only the external design but also functionalities such as mating and sliding.

STEP 1: Initial Design Consultation

The first step is a meeting to discuss the project. Drawings are not required for this meeting. We will create a design from a sketch based on the overall image and concept that you have in mind.

STEP5: Quality Assurance and Inspection

We perform quality inspections. At INAC, where quality comes first, we use CMMs, gauges, and other equipment for precision checks.

STEP4: Post-Casting Finishing

Vacuum casting materials are cured and then taken out of the silicone rubber mold. Then we perform finishing such as deburring and gating, and they are made into finish products.

STEP3:Material Injuction

Liquid casting material is injected into the silicone rubber mold in a vacuum environment. 

STEP2: Mold Preparation

The silicone mold is cut open into a male and female mold, and the master model is removed.

STEP1: Mold Creation

The master model is fixed to a wooden frame and silicone is poured to create a mold.