[OpenSCAD] feature request: resize

Whosawhatsis whosawhatsis at gmail.com
Wed Aug 10 18:56:20 CEST 2011

Split the difference. Scale the unspecified axis by the average of the
other two. It's not likely that someone will want that, but then it's
not likely that they'll specify the scale for two out of three axes.
If someone DID specify it that way, that's probably what they would

On Wed, Aug 10, 2011 at 9:43 AM, Giles Bathgate
<giles.bathgate at gmail.com> wrote:
> On 10 August 2011 17:21, Don Bright <hugh.m.bright at gmail.com> wrote:
>> I have one question -- what happens when you do a 'f5 preview' on a
>> Minkowski object that has a difference with other shapes? Does it show
>> up properly in f5 mode?
> I am not sure, but I guess you can think of the result of the
> minkowski sum as an imported STL so I would assume it just works. I
> will give it a test later.
> I implemented a resize module for RapCAD btw,
> http://git.rapcad.org/cgit.cgi/rapcad/commit/?id=81d870d55c662e424319361fbf48703c3cc12fcf
> But I want to extend it now to support your autosize feature, now that
> I understand the use cases properly.
> One thing I thing you might need to add is an error when the user does
> the following:
> resize([10,5,0],autosize=true) cube([2,2,2]);
> Because simply put, I can't think how it would be possible to come up
> with an autosize ratio that can satisfy the two criteria 10/2 and 5/2
> ...can you?
> Regards
> Giles
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