Standard paper drawings
- Blueprints (blue-line and diazo prints)
- Standard architectural, structural, civil, MEP drawing sheets
- As-built drawings with construction markup
- Original design drawings from any era (including pre-1970s)
Paper to CAD Conversion Services
Convert paper drawings, hand sketches, blueprints, mylars, microfiche, and marked-up archives into fully editable CAD files. Layered, dimensioned, and standardized to your firm's CAD template. ISO-certified quality management. Direct employees only.
1,500+
Files converted to CAD weekly
5,000+
Jobs completed monthly
400+
Clients served in the last 3 years
350+
Engineers
Certification: 
9001:2015 
27001-2022 
19650-1:2018 
14001:2015 
45001:2018
9001:2015 27001-2022 19650-1:2018 14001:2015 45001:2018 
Quality, Measured
Track Record in Numbers *
Numbers architecture firms can hold us to, tracked across every construction documentation project we deliver.
98.5%*
On-time delivery
Drawing sets delivered on the schedule agreed at project kickoff, so your permit submissions and downstream project timelines stay on track.
98%*
Drawing accuracy
Verified against internal QC checklists and applicable code requirements before a set ever reaches your desk.
95%*
First-time client approval
Drawing sets approved by architecture firms on the first review round, with minimal revision cycles needed.
<0.5%*
Revision request rate
Requests for rework after delivery, a reflection of the accuracy built into the drafting process from the start.
Based on internal production and QA data, January to June 2026.
Paper Sources We Convert
Paper Sources We Convert
Every paper source has its own handling workflow. Gsource routes each source to the appropriate conversion team based on complexity, condition, and target format.
Hand-drawn and sketch sources
- Hand-drawn architectural sketches
- Engineering hand sketches with dimensions and notes
- Preliminary design concept drawings
- Redline markups on printed drawings
Historical and archival sources
- Mylar drawings
- Microfiche and microfilm archives
- Aperture cards
- Vellum drawings
- Aged paper with fading, yellowing, or partial damage
Marked-up and mixed sources
- Construction redlines on paper
- As-built markup on printed sets
- Multi-generation copies (photocopies of photocopies)
- Drawings with handwritten annotations, calculations, or field notes
Each source is delivered as clean, dimensioned, layered CAD output, regardless of the original condition.
Paper to CAD, What We Deliver
From reality-capture data to coordinated CAD & BIM
Gsource Paper to CAD Conversion digitizes physical paper drawings, blueprints, mylars, microfiche, hand sketches, and marked-up archives, into fully editable, dimensioned CAD files. Delivered in DWG, DXF, or RVT format, standardized to your firm's CAD template, and indexed for FM system integration. Portfolio programs from 500 drawings to tens of thousands.
Common enterprise use cases we handle:
Modernizing decades-old paper drawing archives for modern design and FM workflows
Enabling renovation and capital improvement planning across property portfolios
Reducing warehouse and storage costs from physical drawing archives
Digitizing acquired-company drawing libraries during M&A integration
Preserving historical drawings in indexed, searchable digital archives
Preparing for insurance and compliance documentation requirements
Delivered at production scale inside a 350+ person organization completing 5,000+ jobs monthly, with chain-of-custody protocols for physical shipments and ISO 27001 controls for digital handling.
Why Gsource
Why Enterprise Firms Choose Gsource for Paper to CAD
Handles Degraded and Historical Sources
Faded mylars, marked-up prints, illegible sections, multi-generation photocopies, our senior drafters have decades of experience interpreting difficult sources. We catch what automated OCR misses.
Portfolio-Scale Programs Delivered
Portfolio programs from 500 drawings to tens of thousands, handled with dedicated PODs of 8-20 team members over 6-18 months.
Standards-Aligned Output
Deliverables in your firm's CAD template, layer conventions, block library, and naming standards. No reformatting on your end.
ISO 27001 File Handling, Including Physical Documents
Chain-of-custody protocols for physical drawing shipments. Digital-first workflows where possible. NDAs on every engagement. IP and deliverables 100% client-owned.
Testimonials
What Enterprise Facility Leaders Say
“
6,800 paper drawings across 14 hospital campuses, some of them 40+ years old. Gsource's senior team interpreted what our internal drafters couldn't. Facility teams finally have workable CAD for renovation planning.
Director of Facilities Engineering
National Healthcare System, US Southwest
“
Post-acquisition, we inherited paper archives from 12 facilities we'd never seen. Gsource standardized everything into our CAD template. That project alone justified the 3-year retainer.
VP of Engineering
VP of Engineering, Fortune 500 Manufacturer
Clients are anonymized under NDA.
Flexible Engagement Models
Choose How We Work With You
Project-Based
Clearly defined deliverables and fixed-scope milestones.
- Scope
- Clearly defined deliverables
- Timeline
- Fixed
- Pricing
- Per project
Best for
discrete, well-scoped projects with defined endpoints.
Retainer / FTE
Ongoing technical support and on-demand expertise.
- Scope
- Prepaid monthly
- Priority
- Faster turnaround
- Pricing
- Prepaid blocks with expiry metrics
Best for
firms with rolling production needs and variable monthly volume.
Most popular
Dedicated Team (POD)
High-volume, multi-disciplinary, long-term integration.
- Scope
- Full-time, client-aligned team
- Priority
- Consistency & deep project familiarity
- Pricing
- Fixed monthly per resource
Best for
enterprise programmes requiring deep familiarity with your standards.
Hybrid Model
Adaptive workflows & complex, evolving project requirements.
- Scope
- Core team + on-demand support
- Priority
- Flexible scaling & balanced turnaround
- Pricing
- Monthly base + variable billing
Best for
firms with a stable core programme plus unpredictable spikes.
Our Paper to CAD Workflow
1
Archive Assessment & Chain of Custody
Review your paper archive (physical shipment or on-site scan pickup). Log every drawing. Sign NDA and establish chain-of-custody protocols. Confirm insurance coverage for physical documents in transit.
2
Digital Scanning & Source Prep
High-resolution scanning of paper sources (600 DPI standard, higher for degraded sources). Digital source files logged and secured before conversion begins.
3
Sample Batch Conversion
Deliver a 3-10 file sample for your team to validate against your CAD standards before full-scale production.
4
Full-Scale Conversion Production
Senior-led production with weekly or milestone-based batches. Difficult sources routed to specialists.
5
QA, Indexing & Delivery
ISO 9001 quality checks. Each drawing indexed with metadata (project, discipline, date, sheet number) for FM system integration. Native CAD output delivered with source scans, index database, and delivery log.
Frequently Asked Questions
Paper to CAD conversion is the process of digitizing physical paper drawings, blueprints, mylars, hand sketches, marked-up prints, or microfiche archives, into fully editable, dimensioned CAD files (DWG, DXF, or RVT). Standardized to the client's CAD template.
Yes. Our senior drafters have decades of experience interpreting difficult sources, faded ink, marked-up construction redlines, multi-generation photocopies, and aged mylars. Automated OCR fails on these; human interpretation with QA review does not.
Yes. We convert microfiche, microfilm, and aperture cards to CAD through our archival-source workflow. High-resolution scanning is done before conversion.
Two options: (1) ship physical drawings to a secure Gsource location under chain-of-custody protocols, or (2) receive high-resolution scans (600 DPI) from your side and work from digital sources. Most enterprise clients prefer the digital-first approach for security and continuity.
98% drawing accuracy on paper-to-CAD output, and that includes degraded and hand-drawn sources, which pass an additional senior interpretation review before QA. First-time approval rate is 95%. Every batch ships with its QA log.
Yes. Every digitized drawing is indexed with metadata (project, discipline, date, sheet number, building, floor). Index databases integrate with Archibus, Tririga, FAMIS, IBM Maximo, and most enterprise FM/CAFM systems.
Depends on volume and source condition. A 500-drawing archive: 6–8 weeks. A 5,000-drawing portfolio: 6–12 months with weekly batch delivery. Enterprise M&A integrations (10,000+): scoped to a 12–18 month program.
NDA signed on every engagement. Chain-of-custody protocols for any physical documents. ISO 27001 information security controls for digital handling. Direct-employee model, no subcontractors. IP and deliverables 100% client-owned.
Ready to Digitize Your Paper Archive?
We'll scope your archive size, walk through similar portfolio-scale programs, and share a vendor onboarding pack within one business day of a mutual NDA.
NDA available on request · Chain-of-custody protocols for physical documents · ISO 27001 information security · $2M E&O insurance
Typical First-Call Agenda
- 1Archive scope, volume, format mix, physical vs. digital sources
- 2Source condition, new prints vs. aged mylars vs. mixed
- 3Target CAD/FM template integration
- 4Timeline and phased delivery structure
- 5Chain-of-custody and NDA setup