Matthew Griffin Design Tools

Alot of Plastic by Cymon
screwless heart gears by emmett
Digital Bolex Xmas Ornament by digitalbolex
Golf in Miniature by Beekeeper Sphinx of Hatshepsut by OZAR Barrel Of Octopi by yeoldebrian
Octopod Underwater SalvageVehicle
by Sean Charlesworth
Friday, April 26, 13

Fenway Park by Objet’s Boston Team
Automatic Transmission by emmett
Industrial Habitat by Micah GanskeHead of a Horse of Selene by CosmoWenman

Nelson Marshmallow Sofa by TeamTeamUSA SciFi Control Room by PrettySmallThing
Nuke Lamp by Maxim Films TIMESQUARE watch body by mifga

Lamp T3 by Emmett LalishWinterfell by damm301
DiagridBracelet by Nervous System Maneval Bubble House Lamp by vinyl

CAD & Animation Tools

Polygonal:
Box Modeling
Face Modeling 1/3 “Blocking Topology” Sergi Caballer

“Modeling A Female Head” by Jonathan Williamson (Blendercookie.com)
Polygonal:
Edge/Contour Modeling

Digital Sculpting
“Head Modeling in Sculptris” by 333taron

NURBSNon-uniform rational B-spline

Surfacing Continuity
“Dreaded 3-Way Corner” by Adam O’Hern, cadjunkie.com

Procedural Modeling
Cellular Form Generation Test 003c5 by andylomas99

3D design apps for makers
• solid
• sculpting
• parametric
• polygonal (mesh)

solid modeling (free)

solid modeling (paid)

sculpting

parametric

polygonal (mesh)

STL Repair Utilities

#1. Print often; learn something from every print.Text
Watching your draft — or a part of your draft print — will tell you off the bat a lot about the health of your
design ﬁle. And if you are hoping what you produce will ﬁt something in the real world, taking time early to
knock a dirty imperfect draft out might save you a lot of effort later in the process of working the model: the
question of tolerance

#2. Save not only your design ﬁle, but also copy
curves, faces, and solids you use to build
geometry and commit booleans for future ﬁxes!
Create a safe way to be messy, to take risks. You will want to try multiple approaches
A history tool doesn’t necessary take the place of your layer full of reference items — those represent
ideas you tried and you might want to return to that reference elsewhere in your model. This is
particularly helpful when you begin stacking boolean operations and other processes where it is easy to
lose track of the steps you take as you switch into responding aesthetically to the results.

#3. Document the steps you take
preparing your models for printing.
Even if tuning the slicing proﬁle to get gorgeous prints isn’t really your favorite part of the process, make
sure to record what steps you do take. The reason being, it is important to separate the decisions you
make designing your model form the settings for execute — or you will begin to deceive yourself as to
how healthy your model is or how reliable your machine proﬁle.

#4. When selecting a software package,
add the user community into consideration.
As the more popular design packages continue to gain new tools and add-ons to bring in the exciting
functionality from the other options available, the liveliness of the community plays a bigger and bigger
role in helping you solve decisions with your tool and generate the market for 3rd party plugins to extend
your capability. Engage in your community — ask questions, share ﬁndings, and share love — and you
will ﬁnd that you are making connections for how to use your software and solve the endless unexpected
use-cases crop up.

#5. Don’t start empty.
It is a known thing that the empty 3D design is far scarier than any blank canvas you might have started
with before. The advice I hear time and time again is to cheat — don’t start empty, start with tools that
you find helpful. For many people, this will be at the very least a scale model for the print surface of your
target printer. But it is important to add enough constraint to reduce the feeling of being overwhelmed by
the tremendous abundance of design opportunities available to you.
But there are other things to throw in there. Flat reference files grabbed from the web or a camera. Scan
files for related objects, even if you won’t use them in your design. And a really helpful suggestion that I
have started trying myself is to throw in both abstract noisy references (patterns, thresholded photos of
asphalt) and references from nature (dense foliage, underwater images, etc.). Where these become
helpful is when you are looking to add a little asymmetry or introduce a curve or a posture. Instead of
trying to choose one, snatch one from your reference files and keep modeling — these tools help you get
beyond your first instincts so that you can respond to what is happening in your design document,
instead of what you WANT to happen there.

Matthew Grifﬁn
Writer, Design and Modeling for 3D Printing O’Reilly/MAKE (Sept 2013)
Director of Community, Support, & Evangelism,ADAFRUIT Industries
mattgrifﬁn@tornticket.com

Matthew Griffin Design Tools

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