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2009 - The Year of ... Confusion? - history-based, history-free modeling techniques can coexist but cannot merge, Paul Hamilton, Dec 28 2009

Direct Modeling and Freeform Surfaces - An Introduction - freeform surface designing easy with history-based modeling compared to history-free modeling, Paul Hamilton, Jan 5, 2010

KOMPAS-3D V11 - Pt 3 - modeling piston cup, Deelip.com, Dec 30, 2009

KOMPAS-3D V11 - Pt 4 - creating surface, Deelip.com, Jan 2, 2010

KOMPAS-3D V11 - Pt 5 - creating sheet metal die, Deelip.com, Jan 2, 2010

OpenSCAD is an External-History Solid Modeler - reads script file, generates visual of 3D model using constructive solid geometry, Ralph Grabowski, WorldCAD Access, Dec 29, 2009

KOMPAS-3D V11 - Pt 1 - history-based parametric solid modeler uses in-house developed modeling kernel, Deelip.com, Dec 29, 2009

KOMPAS-3D V11 - Pt 2 - modeling piston pin, connecting rod, end cap, assembling them together with piston, Deelip.com, Dec 30, 2009

Flying in the Face of Adversity - SaaS-based design technologies should be adopted to face competition in times of economic downturn, Peter Collins of dezineforce, Dec 1, 2009

3D Direct Modeling is Not the Disruptive Innovation - CAD vendors claim their 3D technologies to be disruptive, Jeff Waters, lifeupfront.com, Nov 28, 2009

The Rise and Reward of CAD Native 3D Product Catalog Technology - 73% of design engineers choose vendors that provide CAD data, Tim Thomas, CADCAMNet, Nov 19, 2009

Predictability with Direct Editing - Pt II video or audio  - deforming planar faces of cube to create chamfers, Paul Hamilton, Nov 18, 2009

Predictability with Direct Editing - studying effects on adjacent faces of face that are being moved, Paul Hamilton, Oct 12, 2009

Fact Checking Your Brilliant Ideas - Invention Machine's Goldfire software offers guided workflow to find specified information, decipher natural language, helps innovate, Kenneth Wong, Desktop Engineering, Sep 24, 2009

How SpaceClaim Did it Differently - modeling kernel vendor like Spatial contributed to SpaceClaims's direct modeling technology, Deelip Menezes, Deelip.com, Sep 17, 2009

Russia Tour, Day 7: LEDAS - assemblies for Rhino demo, constraint system under development to outperform AutoCAD features, Ralph Grabowski, WorldCAD Access, Sep 11, 2009

'The Future of MCAD' Roundtable - summary of Ralph Grabowski's address covering MCAD, price of CAD, blogging, more, photos, Isicad, Sep 10, 2009

Russia Tour, Day 4: TOP Systems/Autodesk CIS/Nanocad - T-Flex MCAD software from TOP Systems, AutoCAD-like Nanocad 2 is free, Ralph Grabowski, WorldCAD Access, Sep 9, 2009

Part Catalogs Go Beyond PDF - PARTsolutions offers configurable, downloadable 3D part catalogs, Kenneth Wong's Virtual Desktop, Sep 8, 2009

Editing 3D Geometry - Summary - choose history-based or history-free technology depending on product development process, current, future needs, Paul Hamilton, Aug 26, 2009

Variational Direct Modeling - solves all constraints at once unlike history-based parametric modeling, Deelip Menezes, Deelip.com, Aug 24, 2009

Editing 3D Geometry - Direct Editing - direct editing makes user to specify what to change, how to change geometry, Paul Hamilton, Aug 20, 2009

Editing 3D Geometry - Indirect Editing - pros, cons of history-based, history-free indirect editing, Paul Hamilton, Aug 17, 2009

Addendum to Our Direct-Modeling Discussion - in spite of having direct modeling capabilities, KeyCreator, IronCAD are still lesser known products, Kenneth Wong's Virtual Desktop, Aug 17, 2009

Editing 3D Geometry (Introduction) - understanding history based, history free direct/indirect editing, Paul Hamilton, Aug 13, 2009

Let Me Be Your Renderer - Mental Images, Caustic Graphics, Bunkspeed, StudioGPU are offering products for real-time rendering, Kenneth Wong's Virtual Desktop, Aug 5, 2009

Bridging Electrical and Mechanical Designs Results in a Common Language - Mentor Graphics and PTC collaborate to give interface showing ECAD, MCAD files side by side, Kenneth Wong, Desktop Engineering, Jul 27, 2009

Is It Ok to Use Sleazy CAD Tricks Some Times? - direct edit feature in history based tree can make SolidWorks unbeatable combination, Matt Lombard, Dezignstuff, Jul 29, 2009

5 Free Ways to Improve Your Solid Modeling Skills (and Learn New Ones) - cheap or free software are available for download: SolidWorks Stimulus, Rhino, IronCAD, SketchUp, Blender, Josh Mings, SolidSmack, Jul 23, 2009

Direct Modeling - Thinking Outside the Box - choosing history-based modeling or direct, history-free modeling depends on product development process requirements, Paul Hamilton, Jul 20, 2009

Knovel + Mathcad = Live Equations - searchable library of technical documents, references titles, export of equations, formulas found to Mathcad's engineering calculation environment, Kenneth Wong's Virtual Desktop, Jul 16, 2009

Autodesk Moldflow 2010 Communication - video, free, stand-alone application enhances collaboration across globe for solving digital prototyping problem, Autodesk, YouTube, Jul 13, 2009

3 Ways to Crank Out CAD Like a Crazed Butter-Churning Handmaiden - learn process, optimize it, learn new features every day, duplicate your efforts, Josh Mings, SolidSmack, Jul 14, 2009

The Changing Shape of 3D Modeling - classifying solid modeling software depending upon user interaction, storing, Blake Courter of SpaceClaim Corp., CADdigest.com, Jun 18, 2009

User and Non-Users - expertise of CAD media, analysts, authors is questioned, readers comment over CAD software bugs, service packs, Deelip.com, Jun 13, 2009

Bugs and Known Issues - differentiating between bugs and known issues in CAD software, Deelip.com, Jun 14, 2009

Critical Bugs and Stop Ship Issues - no CAD vendor will release software with critical bugs causing crash, Deelip.com, Jun 15, 2009

Is the Direct Modeling Honeymoon Over? - history based modelers can directly edit only fraction of existing features in history tree, Deelip.com, Jun 11, 2009

Direct vs. History: The CAD Power Struggle - user may choose direct editing or history-based modeling depending on their design challenges, Lou Gallo, SolidWorks: Heard, Jun 11, 2009

Direct Editing Challenges the Concept of 'Dumb Geometry' (Beginner's Guide to CAD Geekery) - direct modeling has intelligence in interface while history-based modeling has intelligence in model, Matt Lombard, Dezignstuff, Jun 3, 2009

PDM and the History Tree - history tree is not meant for protecting model, managing data, or communicating design intent, Paul Hamilton, Jun 3, 2009

Direct Editing, SolidWorks, Instant3D and Move Face - Instant3D is not direct editing, using it with fillets, Matt Lombard, Dezignstuff, May 29, 2009

Direct Editing in History-Based CAD - history-based CAD systems can directly manipulate geometry or dynamically manipulate parameters, Paul Hamilton, May 28, 2009

Direct Editing and the Future - CAD vendors, not customers, decide on major changes in software, Deelip Menezes, Deelip.com, May 27, 2009

WTF is Digital Prototyping - Pt 2 - geometric calculator, CADCALCS 2.0 from GEOMATE can solve geometry, mathematical issues of design, Deelip Menezes, Deelip.com, May 26, 2009

The Power of Fusion - easy-to-use Autodesk Inventor Fusion technology offers bidirectional parametric, direct workflows with context-sensitive, point-of-access tools, David Chadwick, CAD User, Feb/Mar 2009

Model Based Definition (MBD) - What's the Hold-Up? - challenges involved: cultural differences, quality management, compliance with industry specific regulations, Paul Hamilton, May 18, 2009

Drawing a Site Plan - video, setting up drawings for building project in VectorWorks, YouTube, Apr 21, 2009

LEDAS Duplicates Siemens SynchTech - variational direct modeling available as plug in for constraint recognition, solving, Ralph Grabowski, WorldCAD Access, May 1, 2009

Using Surfaces to Expand Modeling Capabilities - modeling 3D surfaces, learning about different surface types, Mike Hudspeth, Desktop Engineering, Mar 28, 2009

Direct or History-Based Modeling? - both techniques have their uses, Leslie Gordon, CADdigest.com, Apr 2, 2009

History-Free CAD, Much More Than Direct Editing - history-free CAD allows use of design intent as desired, Paul Hamilton, Mar 31, 2009

Design In-Context - What's the Big Deal? - video showing in-context design using history-free CoCreate Modeling,  Paul Hamilton, Mar 16, 2009

Feature Recognition and Direct Editing - feature recognition topology concept, conditional recognition capabilities in history-free systems, Paul Hamilton, Mar 4, 2009

The Promise of Collaboration Realized - bringing together industrial designers, management, manufacturing engineers, software developers, Steve Robbins, Desktop Engineering, Mar 2, 2009

Editor's Pick: Exceed onDemand 7 Reduces Costs, Improves Remote User Experience - platform for working with MCAD, scientific, engineering modeling enabling centralize Unix servers for scattered workforce, Anthony Lockwood, Desktop Engineering, Mar 2, 2009

Explicit and Parametric: A Match Made In Heaven - advantages, disadvantages of both modeling type, parametric remembers, history requirements, consideration for selection, Mike Hudspeth, Desktop Engineering, Mar 2, 2009

Video Overview of T-FLEX CAD Parametric Feature Tree - CADDIT, CADCAM Blog, Feb 3, 2009

Delicious Design Process: Steelcase Leap Chair Gets 3D, Fabbing and More - Josh Mings, SolidSmack Blog, Feb 3, 2009

SpaceClaim Response to My Topology Review - detach first option method for moving feature, solving complex topology problems, Paul Hamilton Blog, Feb 2, 2009

History-Free Modeling Shootout - CoCreate outperforms SpaceClaim and NX6 in test in which several sample parts are modified, Paul Hamilton (works for PTC, makers of CoCreate), Paul Hamilton Blog, Jan 29, 2009

What's Wrong with Our Current Systems? - video, quadruple precision is the next big thing in MCAD despite industry apathy, Patrick Hanratty, MCS, COFES.com, Jan 2009

The Push & Pull of Direct Modeling - collaborating CAD, CAM, CAE systems is biggest challenge for history based solid modeling compared to direct modeling, about push/pull concept, market demands, more, Derrek Cooper, The Virtual Engineer, Jan 28, 2009

PDM: the Conduit to CAD Efficiency - implementing PDM to overcome complexity in data management, better access, searching files, Lou Gallo, SolidWorks Heard, Jan 27, 2009

Reducing Costs With Explicit History-Free Modeling - benefits, ways to improve efficiency, resource management, improving team work, reducing waste, Paul Hamilton Blog, Jan 26, 2009

ECAD Meets MCAD Head On - mechanical aspects of product design influencing complicated electronic design, Mark Fletcher, MCADonline, Jan 19, 2009

64 Bit for CAD is Better, Right? - prerequisites for 64 bit OS, hardware requirements, migrating, more, Lou Gallo, SolidWorks Heard, Jan 14, 2009

Challenges in Transitioning from 2D to 3D - problems in switching, issues on learning new way of working, managing CAD files, Chris MacCormack, SolidWorks Legion Blog, Jan 19, 2009

Interested in Selling your Designs? - sell 3D models using Shapeways online store, Jeff Mirisola, Jeff's Blog, Jan 7, 2009

The Unique Benefits of History-Based Modeling - flexibility using shell feature, support for multiple states, easy control of model/assembly, freeform shapes, surfaces, Paul Hamilton Blog, Jan 6, 2009

Delicious Design Process: How 3D and Rapid-Prototyping Benefit the Embody Chair - Herman Miller chair employed many CAD, RP tools, Josh Mings, SolidSmack, Jan 5, 2009

Visualization and the Desktop Engineer - once just for presentation, visualization is now vital in product design, Mark Clarkson, Desktop Engineering, Jan 1, 2009 (more MCAD articles)

Direct Modeling: Magnetic Jenga in Outer Space - CAD, CAE users unaware of advantages of history-free modeling, alternative to parametric design, Jeff Waters, lifeupfront.com, Jan 3, 2009

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