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Toledo Prototype LLC
1440 Timberwolf Drive,
P.O. Box 964
Holland, OH 43528-0964 USA




What is a prototype?
A prototype is a physical object produced from a CAD model.
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Why would you purchase a rapid prototype?
To save money over purchasing a costly mold. (Ideal for both single unit parts and short production runs.) A customer can hold and evaluate the model without tooling for a fraction of the price. It allows multiple designs to be evaluated next to each other, quickly.
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What are Toledo Prototype's specific capabilities? What equipment is used?

3D laser scanner: We can scan in objects to produce a CAD model for reference or to print a part. The scanner enables the object to be imported into CAD in 3D.

Rapid 3D printer: Print 3D parts using ABS plastic. These parts can be used for proof of concept, aesthetic approval or function.

Reverse engineering – laser scanning, optical comparison, precise lab tools: We can measure an existing object and produce a CAD model. From this model we can print a replica of the original. The CAD file can also be modified to make alterations to the original design.

Design: We work with customers to design a part and help with early development stages.
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Why should a company do business with TP?
Unlike many other companies offering prototyping services, we are not just a parts shop. Toledo Prototype and its full staff of engineers truly understand design. We offer a wide variety of service options in a quick, cost-effective manner.
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How does the rapid prototyping process work?
Each application can be different but usually it begins with phone call or an e-mail. First we thoroughly discuss the part requirements with the customer. Next, the part is ordered. Typically, we are sent an STL (see explanation below) or other 3D CAD file. We will then send the CAD data to the 3D printer. The printer is a fused deposition unit (see explanation below)After the part is produced, we inspect it before shipping to ensure it fits the project requirements.
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Can I get my part in color?
Yes, many colors are available. (The part will be a single color.) Standard parts are normally printed in white and black.
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How large of a part can you produce?
Maximum dimensions for ABS parts in single build: 10- x 10- x 12-inches. However, we have several techniques—including multiple builds--that allows us to produce parts of almost any size.
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How quickly can I get my part?
Depends on the complexity, We have delivered parts in as little as 12 hours; however some can take a week. Please contact us so that we can address your specific requirements.
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Do you charge extra for your design service or is it included in the part cost?
Additional design work is extra and can be quoted prior to project start.
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What CAD file formats can you accept?
We can accept, STL, Parasolid, IGES, Native Catia, Native Unigraphics (DXF and DWG).
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What happens if I don’t have a CAD file?
If you have a physical part we can reverse engineer it. If you have a concept drawing we can create a CAD file for you for an additional charge.
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I have a physical part what can I do?
We can either measure an existing object or scan it to produce a CAD model. From this model we can print a part to make a replica of the original. The CAD file can also be modified to make alterations to the original design.
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Can I visit to see my part being made?
Due to the confidential nature of the multiple projects we work on, we do not allow customer visits to the production area.
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How do you handle confidentiality?
We consider all of the projects we work on to be confidential. We can sign a non-disclosure agreement if needed.
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Are there other materials that can be used besides ABS?
Yes, but we suggest you contact us for your specific application.
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What Is An STL File?
The STL file format has become the rapid prototyping industry's defacto standard data transmission format. This format approximates the surfaces of a solid model with triangles. Almost all of today's CAD systems are capable of producing an STL file.
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How thick will my part be?
Also, for most rapid prototyping processes and materials, the minimum feature thickness is 0.020. Anything less will not allow features to develop. Please check your models and make appropriate changes to critical features.
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Fused deposition modeling (FDM)
Fused deposition modeling (FDM) is a solid-based rapid prototyping method builds a model by extruding material, layer-by-layer. The system consists of a build platform, extrusion nozzle and control system.

The build material (production quality thermoplastics), is melted and then extruded through a specially-designed head onto a platform to create a two-dimensional cross section of the model. The cross section quickly solidifies, and the platform descends to allow the next layer to be extruded upon the previous layer. This continues until the model is complete. It is then removed from the build chamber and cleaned for shipping.
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