[AR] Re: Open Source Igniter / Rocket
- From: RM <rocketmoonlighter@xxxxxxxxx>
- To: "arocket@xxxxxxxxxxxxx" <arocket@xxxxxxxxxxxxx>
- Date: Wed, 11 Feb 2015 18:46:28 -0800
How well does it handle drawings? Modelling is the easy part :)
-RM
On Wed, Feb 11, 2015 at 5:49 PM, Steve Traugott <stevegt@xxxxxxx> wrote:
> On Wed, Feb 11, 2015 at 4:37 AM, Graham Sortino <
> dmarc-noreply@xxxxxxxxxxxxx> wrote:
>
>> thanks for the suggestion. i think part of my reason for not going with
>> the more professional grade CAD tools is that they are extremely expensive
>> and thus somewhat out of reach for hobbyists. I know that in many cases
>> there are exceptions to get free or discounted licenses but I do feel like
>> its not the same as something that is truly open source or even very
>> accessible like Eagle CAD.
>
>
> In case it's not clear to lurkers, all of those I listed (FreeCAD,
> OpenSCAD, BRL-CAD, CadQuery, and OpenCASCADE) are free and open source.
>
> It's pretty clear FreeCAD is going after solidworks users -- part tree,
> parametric, constraints, even the background color.
>
> I was peripheraly aware of FreeCAD but hadn't looked at it in a while. I'm
>> definitely at the limit with regards to what I can do in blender so I will
>> certainly check this out.
>>
>
> If you've been able to bend blender to your will for doing engineering,
> FreeCAD should be a breath of fresh air. ;-)
>
> Youtube has a lot of FreeCAD tutorials. I haven't watched them myself,
> but I've heard good things about Bram de Vries' tutorial series:
> https://www.youtube.com/playlist?list=PLVrqzKSVAONHYXc9G9y9wHWus3ManpzUn
>
>
>> As an asside, do you happen to know if FreeCAD can do machine screw
>> and/or tapered threads?
>>
>
> Yep. Google shows a bunch of FreeCAD thread libraries, including on
> github. If you need something strange, FreeCAD does helical sweeps, lofts,
> etc, and for doing even stranger things, you can always drop down into
> Python.
>
> I think the thing most folks here will wish for is production-grade sheet
> metal and tubing modules -- there are people playing with different ways of
> doing those, but nothing in the mainstream code yet afaik. There is a
> generic mesh workbench in there though, which might help with sheet metal.
>
> And I just now noticed a FEM workbench in the latest version -- I'm
> actually surprised to see that there already.
>
> Steve
>
>
> *From*:"Steve Traugott" <stevegt@xxxxxxx>
>> *Date*:Tue, Feb 10, 2015 at 7:16 PM
>> *Subject*:[AR] Re: Open Source Igniter / Rocket
>>
>> On Sat, Feb 7, 2015 at 6:53 PM, Redacted sender gnsortino@xxxxxxxxx for
>> DMARC <dmarc-noreply@xxxxxxxxxxxxx> wrote:
>>
>>> >>Sorry about Blender, I used solidworks and it has a nice helical
>>> sweep feature
>>> Thanks for the info. I need to get away from Blender but I’ve gotten
>>> used to it and can’t seem to kick the habit.
>>>
>>
>> Not to digress (who, us?) but FreeCAD has gotten quite good in recent
>> years. It's pretty stable now (you'll still want to save often though) and
>> while it's not quite solidworks yet, I now think it's a safe bet that it
>> will eventually become a defacto standard -- I just wish they'd change the
>> name.
>>
>> Otherwise, I'm still using OpenSCAD for most things, out of inertia. I
>> had high hopes for BRL-CAD a few years ago, but I think FreeCAD has taken
>> that space.
>>
>> For anyone who likes scripting parts like in OpenSCAD, but wants to use
>> the more capable OpenCASCADE engine (FreeCAD's backend), there are a few
>> options. One is CadQuery, which uses FreeCAD as an IDE or can be run
>> standalone with no GUI, such as from a makefile.
>>
>> Steve
>>
>
>
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