3 October 2026
How to Convert PDF Drawings to CAD: Methods, Accuracy and What It Really Takes
Vector PDF or scan? Why automatic conversion fails, and how to get accurate DWG files or 3D models from PDFs.
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CAD & Engineering Insights From The Design Desk
Practical, no-fluff guides on CAD design, FEA and CFD simulation, 2D to 3D conversion and reverse engineering workflow, drawing standards and outsourcing CAD work — written by the engineers at Sarjan Solution.
3 October 2026
Sheet Metal Design Guidelines: Bend Radius, K-Factor, Holes and Reliefs
The rules of thumb that keep a sheet metal part buildable on a normal press brake, first time.
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3 October 2026
What Drives the Cost of Reverse Engineering a Part?
Why quotes for the same part vary so much — and how to brief a reverse engineering job for an accurate price.
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3 October 2026
Outsourcing CAD Drafting to India: A Practical Guide for Overseas Engineering Teams
What to outsource, how to brief it, how time zones and IP work, and the mistakes that make offshore drafting expensive.
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3 October 2026
ASME Y14.5 vs ISO GPS: Drawing Standards Your Outsourcing Partner Must Get Right
Two drawings can use identical symbols and still specify different parts. The differences that matter across borders.
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3 October 2026
EU Machinery Regulation 2023/1230: What Changes for Machine Designers
From 20 January 2027 the new Machinery Regulation replaces the Directive. What it means at the drawing board.
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7 August 2026
FEA vs CFD: Which Simulation Does Your Design Actually Need?
Engineers often ask us for a simulation without specifying which kind — and the two most common types, FEA and CFD, answer very different questions.
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7 August 2026
2D to 3D CAD Conversion: A Practical Checklist Before You Start
Converting legacy 2D drawings into 3D models goes wrong in predictable ways. Work through this checklist before the first feature is drawn.
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7 August 2026
How to Choose a CAD Outsourcing Partner (Without Getting Burned)
Picking a CAD partner on price alone is how projects end up re-drawn twice. Here is what actually separates a reliable partner from a cheap one.
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7 August 2026
Reverse Engineering a Part With No Drawings: How the Process Works
No drawing, no CAD file, no manufacturer to call — but you still need the part. Here is how the reverse engineering process actually runs.
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7 August 2026
Which CAD Software Should You Actually Learn First?
The honest answer depends on the industry you want to work in — not on which package has the loudest marketing.
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18 March 2026
5 Common Mistakes to Avoid in FEA & CFD Simulation
Simulation is only as good as the assumptions behind it. Here are the five mistakes that most often invalidate FEA and CFD results — and how to avoid them.
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2 February 2026
2D to 3D CAD Conversion: A Practical Workflow Guide
Converting legacy 2D drawings into fully-featured 3D models is one of the most misunderstood CAD services. Here's how a clean conversion actually works.
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12 January 2026
Reverse Engineering With 3D Scanning: From Point Cloud to Production CAD
When a part has no drawing, no CAD file, and no manufacturer left to call, 3D scanning is where reverse engineering begins. Here's the process end to end.
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