[Lab] Laser cut plywood online designs

Richard Sloan rsloan at themindfactory.com
Mon May 20 17:27:36 EDT 2013

Cool thanks, earlier today I made the PDF sucked it into inkscape and did
about the same as you mention above, I added other elements and are ready
to test! maybe will post a pic once done.

Happy lasering!


On Mon, May 20, 2013 at 2:28 PM, <jweisberg at sympatico.ca> wrote:

> Hi Richard,
> I've been making fingerjoint boxes in 3mm and 6 mm baltic birch plywood
> using the online generator you found at
> http://boxmaker.rahulbotics.com/
> Thought I'd posted it here before but maybe not. Anyway, it works well.
> Use a caliper to check the actual thickness of the stock you are using, in
> a few spots. Using the thicker measurements makes the fingers deeper;
> where the material is thinner the fingers will project past the surface
> they connect with, and will need to be sanded down, however they end up
> flush. Using the thinner of the measurements will leave the fingers shy of
> the adjoining surface, so it saves on sanding if you don't mind them being
> recessed.
> Using 0.005" for the kerf has resulted in boxes that snap together and are
> difficult to pull apart without minor damage.
> The generator outputs a pdf with the 6 faces of the box in a + shape. I
> open the pdf in Inkscape and realign the faces to make better use of the
> material I'm using. Note that initially every line segment of each face is
> a separate line segment so it's a good idea to select and group each face
> first. I align the faces vertically then butt them to each other using the
> align right edge with left edge tool. I then un-group each face and remove
> the line segments that overlap, i.e., where the tips of the fingers overlay
> each other. Otherwise the laser will cut that section twice, which is not
> as clean and takes longer.
> I did one box in 6mm where I set up the file so that the projecting part
> of each finger made the cutout part of each finger on the adjoining piece.
> The fit is a little sloppier but fine for gluing, and it saves some
> material and more time lasering.
> Haven't used the templates from this generator for any other materials.
> John
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