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Imported DFX has wrong dimentions

Open DAveShillito opened this issue 3 years ago • 5 comments

I exported my DXF from Fusion 360 and imported it back in to measure the long dimension.

Fusion360

I then loaded it into Deepnest, and the dimensions do not match

Deepnest io

I have attached the DFX I imported.

Ivar48x30Shelves v17 - 3UDrawerFront.zip

My settings are Settings

DAveShillito avatar Jun 30 '22 01:06 DAveShillito

May be a curve ball too far but if you're on Windows you could try the C#/Net6 port DeepNestSharp which does load your file and report the expected dimensions...

image

9swampy avatar Jul 03 '22 02:07 9swampy

Thanks @9swampy That does indeed look as if it will solve my issue 😄 But I will leave the bug open here since it is still a problem for Deepnest.

DAveShillito avatar Jul 03 '22 13:07 DAveShillito

@DAveShillito , I think it's your SVG scale is incorrect for this file. Starting with your settings posted above, try the following:

  1. Change Display Units to Inches
  2. Change SVG scale from 90 to 72 units/inch
  3. Change Display Units back to mm
  4. Confirm the part size is now 396.2mm x 88.2mm (it rounds off to the nearest .1 for display only)

jbergengh avatar Jul 28 '22 16:07 jbergengh

@jbergengh, Thank you, that does indeed work.

I assume this means I should always set the SVG scale to 72 units/inch when importing DXF files from Fusion 360? Is there anyway I should have known that? i.e. an export setting in Fusion 360. It does seem unexpected to be changing the SVG scale when importing a DXF.

DAveShillito avatar Aug 23 '22 23:08 DAveShillito

Nothing works for my case, I already made the files in Inkscape and Illustrator, tried changing resolution in settings and tried every export setting. Eventually I just went back to SVGnest, that actually works.

cibermesias avatar Oct 21 '22 23:10 cibermesias