CAD Design and Drafting Services

Turn your concepts, sketches, PDFs, point clouds, and existing drawings into accurate, production-ready CAD deliverables.

We provide professional CAD design and drafting services for architecture, engineering, construction, manufacturing, and infrastructure projects. Our CAD professionals support 2D drafting, 3D CAD modeling, shop drawings, as-built drawings, CAD conversions, and detailed design documentation while working with your standards, templates, and project workflows.

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Professional CAD Design and Drafting Services for Residential & Commercial Construction Projects
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Professional CAD Drafting Support for Your Projects

Reduce your CAD drafting overhead by up to 50% while maintaining the accuracy, quality, and turnaround times your projects require. Managing fluctuating drafting workloads, tight project schedules, and specialized CAD requirements can put pressure on internal engineering and design teams.

ProtoTech Solutions provides flexible CAD drafting outsourcing services that help architecture, engineering, construction, and manufacturing companies extend their drafting capabilities without increasing permanent overhead.

Our team can work as an extension of your internal resources, following your drawing standards, CAD templates, layer conventions, title blocks, file structures, and quality procedures.

We support both project-based and dedicated-resource engagement models for:

  • 2D CAD drafting and detailing
  • 3D CAD modeling
  • Architectural and construction drawings
  • Mechanical and manufacturing drawings
  • Civil and infrastructure drawings
  • Shop and fabrication drawings
  • As-built and redline updates
  • PDF, scan, image, and legacy drawing conversion
  • Drawing documentation and revision support

Our CAD Design Services

Concept-to-CAD Design

Transform sketches, dimensions, reference drawings and design requirements into structured CAD geometry.

3D CAD Modeling

Create accurate solid, surface and parametric models for components, assemblies and built environments.

Mechanical CAD Design

Develop component, assembly and manufacturing-ready CAD designs based on functional requirements.

Architectural CAD Design

Produce floor plans, elevations, sections, layouts and detailed architectural documentation.

Design Modification & Optimization

Update existing CAD models and drawings to incorporate design changes, dimensional requirements and engineering feedback.

Design Documentation

Prepare detailed drawings, BOM information, assembly documentation and required production files.

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. 

Our CAD Drafting Services

2D CAD Drafting Services

We develop detailed 2D CAD drawings, including floor plans, elevations, sections, layouts, and technical documentation. Our drafting services help architects and engineers prepare accurate, editable drawings for design reviews and construction.

Architectural CAD Drafting Services

Our architectural CAD drafting covers residential and commercial floor plans, elevations, sections, roof plans, and construction details. We translate design concepts and markups into coordinated drawings based on project requirements.

Civil Engineering Drafting Services

We prepare civil CAD drawings for site layouts, grading plans, road alignments, drainage networks, and utility layouts. Our drafting support helps civil engineering firms document infrastructure designs for coordination and project execution.

Structural CAD Drafting Services

Our structural drafting services cover foundation plans, framing layouts, reinforcement details, and steel connection drawings. We develop technical drawings from engineering inputs to support structural coordination and fabrication.

Land Survey CAD Drafting Services

We convert field survey data into CAD drawings, including boundary surveys, topographic maps, contour plans, site plans, and subdivision layouts. Our drafting support helps surveyors organize measured data for planning and design.

MEP CAD Drafting Services

Our MEP CAD drafting services cover HVAC duct layouts, electrical plans, lighting layouts, plumbing systems, and piping schematics. We prepare discipline-specific drawings to support building services coordination and installation.

Mechanical CAD Drafting Services

We produce mechanical CAD drawings for machine components, assemblies, sheet metal parts, and manufacturing layouts. Our drawings include dimensions, tolerances, sections, and fabrication details based on engineering specifications.

Shop Drawing Services

We prepare detailed shop drawings for structural steel, architectural components, and fabrication assemblies. Our drawings document dimensions, material specifications, connections, and installation details for contractor review.

As-Built CAD Drafting Services

We update architectural, structural, and MEP drawings to reflect documented construction changes, field measurements, and redline markups. Our as-built CAD drawings support facility records, renovations, and future maintenance.

CAD Conversion & Redrafting Services

We convert PDF drawings, scanned blueprints, and legacy design files into editable CAD formats such as DWG and DXF. Our redrafting process covers geometry recreation, layer organization, dimensions, and drawing cleanup.

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.

Our BIM Modeling Services

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

Need BIM Support Too?

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.

Industries We Support

We provide CAD design and drafting support across industries where accurate technical drawings, design documentation, and engineering coordination are essential.

Architecture & Construction

Floor plans, elevations, sections, detail drawings, as-built drawings, and construction documentation.

Mechanical & Manufacturing

Part drawings, assembly drawings, fabrication drawings, GD&T, BOM support, and production documentation.

Civil Engineering & Infrastructure

Site plans, utility layouts, road drawings, grading plans, drainage drawings, and infrastructure documentation.

Structural Engineering

Structural layouts, steel detailing, connection drawings, framing plans, and fabrication documentation.

MEP Engineering

HVAC, electrical, plumbing layouts, coordination drawings, and detailed system documentation.

Oil, Gas & Industrial Plants

Equipment layouts, piping drawings, plant layouts, general arrangement drawings, and fabrication documentation.

Automotive & Transportation

Component drawings, assembly documentation, manufacturing drawings, and design modifications.

Real Estate & Property Development

Architectural plans, site documentation, renovation drawings, as-built documentation, and development drawings.

Our CAD Design and Drafting Process

1. Requirement Review

We review your project scope, drawings, standards, templates and expected deliverables.

2. Project Setup

Our team establishes CAD standards, layers, units, naming conventions and project workflows.

3. Design & Drafting

CAD professionals develop the required drawings or models according to the approved scope.

4. Quality Review

Deliverables undergo technical and drafting checks for dimensions, annotations, standards and drawing consistency.

5. Client Review

We share the output for feedback and incorporate agreed revisions.

6. Final Delivery

Approved CAD files and supporting documentation are delivered in the required formats.

Why Outsource CAD Design and Drafting Services to ProtoTech?

  • Experienced CAD Professionals: Work with engineers and drafting professionals experienced in multidisciplinary CAD projects.
  • Multi-Level Quality Review: CAD deliverables undergo structured technical and drafting reviews before submission.
  • Flexible Resource Models: Choose project-based support, recurring drafting assistance or dedicated CAD resources.
  • Industry-Standard CAD Tools: Our teams work with AutoCAD, Civil 3D, Inventor, SolidWorks, Revit, MicroStation and other engineering applications.
  • Your Standards, Our Team: We can follow your CAD templates, layering standards, naming conventions, title blocks and documentation processes.
  • Scalable Project Support: Scale drafting resources according to project volume and deadlines.
  • Confidentiality & Data Security: Project information can be managed under NDA and agreed data-security procedures.
  • Global Project Support: Support for clients across different geographic regions, project standards and engineering disciplines.

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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.

Service Page Contact Us
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