Software Update: PreForm 0.9.0

Posted on September 19, 2013 by Zach Both

We take enormous pride in our PreForm software, which is re-inventing what 3d-printing software can do. PreForm 0.9.0 (download) is one of our most significant updates yet.

Brand New Support Structures

For PreForm 0.9.0, we’ve rewritten our support generator from the ground up.  The support generator performs a high-speed analysis of your models and automatically generates support structures that will help ensure that your prints come out the way you want them to -- regardless of part complexity.

Our new support generator allows PreForm to automatically generate internal supports. There’s no need to worry about overhangs, lips, or multi-body models like the example above. PreForm will build a support system into under-supported areas in your model, no matter where they are: this makes complex designs and features a snap. Coupled with PreForm’s auto-orient feature, preparing your model for printing is fast and easy.

Without internal supports, this part is under-supported (red-shaded areas)

With internal supports, this part is fully supported and ready to print!

We’ve also overhauled the geometric structures behind our automatically-generated supports. Our new system uses more, smaller touch points.  These touch points effectively support your model and peel away easily, leaving a smoother surface finish.  The support generator also makes for some wild geometries and structures all on its own.

A few examples of our new scaffolding, showing off the automatically generated geometry

A few examples of our new support structures, showing off the automatically generated geometry

UI & Workflow

In addition to those big changes, we’ve made a range of interface improvements.  From overhauling all of our dialogues to tweaking our slice viewer, we’re paying attention to all of the little details. We’ve also improved the material-selection workflow, making it easier for you to pick your resin and layer thickness.


We’ve changed the way PreForm loads models, which means that your large, elaborate designs will load more quickly. That’s super-handy if you’re working with a couple million vertices. We’ve also taken a pass through our automatic repair system, ensuring that it’ll do the right thing, every time. 


Come check out the latest software--as well as some of our latest models that show what can be done with PreForm 0.9.0-- at World MakerFaire New York City this weekend!

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Posted on September 19 2013 at 08:09 PM by Loupe System

Excellent news, I look forward to testing this new version with our iPhone mounts. Well done on the new features!

Posted on September 20 2013 at 02:09 AM by Thomas R

testing the new support right now. I’m more than happy to see this improvement! :)

Perhaps it was possible to do it before, but using up/down arrows keys let you increment/decrement slicer values one by one!

One request I forgot about the support: add a bevel on the border, in the direction of the build platform. It helps a lot removing the support! (I’m doing it on my custom supports :)

Posted on September 20 2013 at 03:09 AM by Yann Moalic

Well done!!!!

Posted on September 20 2013 at 06:09 AM by Henri

Sounds terrific!

Posted on September 20 2013 at 09:09 AM by Richard Lyons

if we ever get our printer then this feature may be of use but until then this update just rubs our face in the fact we have still not taken delivery of our £3000 SLA machine

Posted on September 21 2013 at 03:09 AM by Christophe Brisson

I’m unable to load my models since I updated Preform. The same files used to work with previous versions (at least in the soft, I’m still waiting for the printer). All are created from rhino 3D.
Does anyone occurred the same problems?

Posted on September 21 2013 at 07:09 AM by jang

Indeed Christophe, I updateted the software too and when I want to generate the supports, Preform software closes automatic… very annoying… Anybody else got thes problems? I am running Windows XP on a 3-year old computer. Also the older version of Preform started much quicker. Thanx.

Posted on September 21 2013 at 08:09 AM by McQuarrie

Christophe Brisson //
I have a same problem. I can’t load my model in current version with one message. That model worked with previous versions.

message : there was an unknown error loading one or more of the models

Posted on September 21 2013 at 11:09 AM by David Rulon

I have been waiting for my machine since March. Does anyone living north of San Francisco have a machine that they would be willing to trade time on their machine for future time (whenever I get mine) on my machine? I have some pieces I would really like to print.

Posted on September 21 2013 at 04:09 PM by BigFan

“Trade Time”? Reminds me of that stupid Justin Timberlake movie. lol

Posted on September 21 2013 at 09:09 PM by David

@ David Rulon
I am sure if you post your request on the support forum someone will help you out.

Posted on September 23 2013 at 02:09 PM by Jory

Hello Everyone,

Jory from Formlabs here. I see that a few of you are having issues (Christophe Brisson, McQuarrie, jang) with the new software. If you send a ticket to us at and attach the .STL file you are working with, our software team can evaluate and help solve your issues.

Bug reports of this kind will help us improve PreForm.


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