CAD Design and Drafting Services

Looking for a dedicated expert for your design and drafting project? We are a trusted provider of CAD outsourcing services for the AEC and manufacturing industries, backed by 20+ years of proven operational experience. Serving clients globally across the USA, Canada, UK, Germany, Australia, Japan, and Europe, we deliver reliable and scalable solutions.

From 2D drafting and 3D modeling to BIM services, mechanical detailing, architectural visualization, and land design & development, we provide dedicated resources that integrate seamlessly with your workflow to support your project goals.

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Your Trusted CAD Outsourcing Partner

At ProtoTech Solutions, we transform ideas into precise, production-ready designs through expert CAD design and drafting services. With a strong foundation in engineering principles and modern design technologies, we help businesses across industries bring clarity, accuracy, and efficiency to their design workflows. Whether you are developing a new product, refining an existing design, or require detailed technical documentation, our team works as a seamless extension of your engineering vision.

We collaborate closely with architects, engineers, real estate developers, contractors, and design professionals to understand project requirements from every perspective. This collaborative approach ensures that each design is not only technically robust but also aligned with construction feasibility, regulatory standards, and end-user expectations.

Our expertise lies in delivering high-quality 2D drafting and advanced 3D modeling solutions that enhance visualization, minimize errors, and accelerate project timelines. From architectural plans and structural layouts to mechanical components and detailed schematics, every output is developed with precision, consistency, and attention to detail.

CAD Design Services (Concept → Creation)

3D Modeling
  • Creation of detailed 3D models of parts, products, or buildings
  • Solid and surface modeling
  • Parametric modeling
Product Design & Development
  • Concept design (turning ideas into workable designs)
  • Design iterations and optimization
  • Ergonomic and aesthetic improvements
Rendering & Visualization
  • Photorealistic renders
  • Material, texture, and lighting simulation
  • Product visualization for marketing or approvals
  • Concept presentations for stakeholders
Mechanical Design
  • Assembly design (how parts fit together)
  • Motion simulation
  • Tolerance and fit analysis
Industrial Design
  • Consumer product styling
  • Prototype-ready models
Architectural Design
  • Floor plans, elevations, and 3D building models
  • Interior/exterior concepts
Design for Manufacturing (DFM)
  • Ensuring designs can actually be manufactured efficiently
  • Material selection guidance
Documentation & Deliverables
  • Complete drawing sets
  • Bill of Materials (BOM)
  • File formats: STEP, IGES, STL, DWG
  • Assembly instructions
Collaboration

Transform Concepts into Reality

Our CAD design experts help you develop innovative, efficient, and manufacturable designs. From concept to detailed design, we deliver accurate and scalable CAD solutions for every industry.

CAD Drafting Services (Documentation → Precision)

Detailed 2D Drawings
  • Technical drawings with dimensions, annotations, and symbols
  • Orthographic projections (top, front, side views)
  • Layouts for manufacturing or construction
Dimensioning & Tolerancing (GD&T)
  • Linear, angular, and geometric tolerances
  • GD&T standards application
  • Fit, clearance, and interference specifications
  • Manufacturing precision guidelines
Shop Drawings & Fabrication Drawings
  • Detailed fabrication instructions
  • Welding symbols, joint details
  • Assembly references
  • Material callouts
As-Built Drawings
  • Updating drawings based on site changes
  • Redline markups incorporated into final CAD files
  • Accurate records for maintenance or future upgrades
CAD Conversion & Digitization
  • Paper drawings → CAD
  • PDF/image → editable DWG/DXF
  • Legacy drawing modernization
  • Raster-to-vector conversion
Assembly & Exploded Drawings
  • Assembly layouts with part identification
  • Exploded views for clarity
  • Installation and maintenance references
  • Integration with BOM
Bill of Materials (BOM) & Documentation
  • Structured BOM with item numbers
  • Material specifications
  • Revision tracking and title blocks
  • Documentation packages for handover
Standards Compliance & Quality Checks
  • Adherence to ISO, ANSI, DIN standards
  • Layer management, line types, scales
  • Drawing audits and error checking
  • Version control and revisions
Collaboration

Precision Drafting for Every Project

Convert your ideas, sketches, or PDFs into high-quality CAD drawings with expert precision. From 2D drawings to detailed shop drawings, we ensure clarity and accuracy in every project.

BIM Modeling Services (Intelligent 3D + Data)

3D BIM Modeling (Architectural, Structural, MEP)
  • Architectural models (walls, doors, windows)
  • Structural models (beams, columns, slabs)
  • MEP models (HVAC, electrical, plumbing)
  • Created using tools like Autodesk Revit
BIM Coordination & Clash Detection
  • Detecting clashes (e.g., duct vs beam)
  • Coordination between disciplines
  • Issue tracking and resolution
  • Tools like Navisworks
Data-Rich Modeling & BIM Parameters
  • Embedding metadata (materials, cost, specs)
  • Custom parameters and attributes
  • Asset information for facility management
  • Model-based databases and schedules
LOD Development (Level of Development)
  • LOD 100 → Conceptual massing
  • LOD 200 → Approximate geometry
  • LOD 300 → Accurate design
  • LOD 400 → Fabrication level
  • LOD 500 → As-built
Quantity Take-Off (QTO) & BOQ Extraction
  • Material quantities (concrete, steel, etc.)
  • BOQ (Bill of Quantities) generation
  • Cost estimation support
  • Accurate and dynamic updates
4D BIM (Time Scheduling)
  • Linking model elements with schedules
  • Construction sequencing simulation
  • Project planning and tracking
  • Visual timeline of building progress
5D BIM (Cost Estimation)
  • Real-time cost updates with design changes
  • Budget tracking and forecasting
  • Integration with BOQ and QTO
  • Financial planning support
Shop Drawings from BIM
  • Automated drawing extraction
  • Sections, elevations, details
  • Fabrication-level outputs
  • Coordination-ready documentation
As-Built BIM Models
  • Updating models with site changes
  • Integration with laser scans (Scan-to-BIM)
  • Facility management-ready data
  • Digital twin foundation
Scan-to-BIM Services
  • Laser scanning/point cloud processing
  • Converting scans into BIM models
  • Renovation and retrofit support
  • High-accuracy existing conditions modeling
Collaboration

Build Smarter with BIM

Get intelligent 3D models with accurate data for better planning, coordination, and execution. From 3D modeling to clash detection, we ensure smooth coordination across all disciplines.

Your CAD Outsourcing Partner

Why Choose ProtoTech CAD Drafting Service?

Authorized Autodesk Partner
Driving seamless design and engineering solutions
Transforming ideas into reality with precision and passion
Multilevel quality check process
Access to a qualified & experienced talent pool
50% reduction in overhead costs
Daily/Weekly reporting
High-quality drafting at competitive pricing
Get dedicated resources assigned

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Your Project Requirements

Have a project in mind? Let’s turn your ideas into reality. Tell us about your project needs, and our experts will provide the right design, drafting, or BIM solution. From initial concept to final documentation, we focus on precision, quality, and seamless execution at every stage. Fill out the enquiry form with your project details, and our team will respond with a customized approach.

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Q. Which industries do you work with?

We support a wide range of industries such as construction, architecture, engineering, manufacturing, infrastructure, and real estate, adapting our workflows to meet industry-specific standards and requirements.

Q. What software do you use?

Our team works with industry-standard tools like AutoCAD, Autodesk Revit, SolidWorks, and Navisworks to ensure high-quality and compatible deliverables.

Q. Can you handle both small and large projects?

Yes, we handle projects of all sizes—from small drafting tasks to large-scale, multi-disciplinary BIM projects—while maintaining consistent quality and timelines.

Q. How do you ensure accuracy in your work?

We follow strict quality checks, standardized drafting practices, and multi-level reviews. Our team ensures all drawings and models meet industry standards and project specifications.

Q. What input do you need to start a project?

We typically require design briefs, sketches, reference drawings, PDFs, or any available data. Our team can also assist in refining incomplete information into workable inputs.

Q. What file formats do you deliver?

We provide files in multiple formats such as DWG, DXF, PDF, STEP, IGES, RVT, and IFC, depending on your project and workflow requirements.

Q. How do you handle project timelines?

We define clear timelines at the start and follow structured workflows to ensure on-time delivery without compromising quality.

Q. Can you convert old drawings into CAD or BIM?

Yes. We offer CAD conversion and Scan-to-BIM services to transform paper drawings, PDFs, or point cloud data into accurate digital models.

Q. How do you maintain data security and confidentiality?

We follow strict confidentiality protocols and can sign NDAs to ensure your project data remains secure and protected at all times.

Q. Do you support international standards?

Yes, we work with global standards such as ISO, ANSI, and other region-specific guidelines to meet client and project requirements worldwide.

Q. How can we get started?

Simply share your project details through our enquiry form or contact us directly. Our team will review your requirements and get back to you with a suitable approach and proposal.

See How We Helped Our Clients Succeed

Browse Our Success Stories

Enhancing Industrial Properties with Advanced BIM Modeling

Precision BIM Modeling Success for Belgium-Based Warehouse