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Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!
TheGrum

Pony Cookie Cutter

by TheGrum Jun 5, 2012
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Version 1 prints perfectly, however version 2 seems to be printing in mid-air (0.4mm hight) for the inner details.
Thanks for the print though, my daughter loves it! :-)

it will be so cool if you had all my little pony post it up just saying

For the record I haven't found any need for holes in the surface of my cutter.  The dough released well for me although I did flour the cutter before pressing.

I Love it! what software did you use for building it?

I'm not sure what software Arshe used, but what he supplied to me was a pair of high-resolution PNG files. I used Inkscape to vectorize these, as well as create planes and outsets, and export these to DXF files suitable for OpenSCAD.

The actual 3d layout was done in OpenSCAD and exported to STL.

I came across this while trying to do some image to CNCing, and while I can save my images as dxf (after vectorizing), openSCAD does not compile. Do you think you can give me(us) a short tutorial on how your conversion process was done?

I should mention that either does not compile, or theres a syntax error on the first line. Not really sure where to go from there though

Just tested 2506 - worked pretty well on a complex text logo. The DXF method makes a nice clean OpenSCAD file (single import line for the complex logo) but requires you carry around the DXF file. The 2506 method creates a complex OpenSCAD file, full of polygons with lots and lots of numbers, but means you don't need any extra files, and you don't have to bother too much with tweaking in Inkscape.

Of course, you could get the best/worst of both worlds if you use the 2506 produced OpenSCAD file as an Import in another OpenSCAD file.

I am Howard C. Shaw III on Google+ - if you are on there, beep me, and I can do a Hangout and show you on my screen the steps and help you figure out why it is not working.

However, the basic and most critical thing for handling the Inkscape-
&
gt;DXF-
&
gt;OpenSCAD path is ensuring that you are exporting a path, as opposed to a different object type, and that it is solely composed of straight line segments.

The first item is managed by either performing an Object to Path or Stroke to Path from the Path menu. The second is managed by using the Edit paths by nodes (F2) tool, clicking the path, pressing Ctrl-A to select all, clicking the 'Insert new nodes into selected paths' 0..N times, then pressing t
he 'Make selected segments lines' button.

Basically, you can go ahead and press the segments-
&
gt;lines button, see if your result is too blocky - if not, you are done, if so, press Ctrl-Z (undo), Ctrl-A (select all), hit the + nodes button, then repeat the process until you are satisfied. Note that each repeat makes the result more complex and slower to render in OpenSCAD - it is basically the equivalent of the $fn= setting in OpenSCAD.

Finally - this whole sequence MUST be the last thing you do (aside from saving) before doing an export to DXF. Almost anything else you do in Inkscape will have a fair chance of re-introducing curves (i.e. scaling, inset, outset, etc) in which case you will have to repeat the process.

Lastly, you
can have a look at http://www.thingiverse.com/thing:25036http://www.thingiverse.com/thi... - I haven't tried it yet, but it is apparently an attempt to get around the issue of going from Inkscape to OpenSCAD without having to do this sort of extra clean-up first.

Inkscape to OpenSCAD converter v6
by dnewman