The attached JSL uses code borrowed from an earlier project to build a Penrose tiling. I want to use the ponoko site to laser cut the image into a piece of acrylic. The design guidelines want an SVG file created by Inkscape, a nifty vector art program. I'll use JMP to save an SVG file of the design, then load that design into Inkscape for the final tweaks. Here's the output from JMP; the blue lines will be cut all the way through the acrylic sheet and the red lines are just etched on the surface.
Open Inkscape, open the proper template (P2 for this design...about 15 inches square), and import the SVG from JMP.
The imported object needs to be ungrouped several times, and the white background groups need to be deleted. Then it needs to be scaled up to use the design area. An outline needs to be added to make a clean cut around everything. And finally, the line weights need to be set to .01 mm. (That's a really thin line and pretty much disappears off the screen.)
The first try resulted in an error that Ponoko reported during the upload. I went back and made sure the colors and line weights were correct and sent it off again.
The package arrived about 9 days after ordered, and several days earlier than promised.
Here's the back paper
The front side has a plastic-like protective surface
Peeling off the front, apparently the laser doesn't cut the front plastic. The etch lines look good!
Pieces are dropping out because the backing paper is cut all the way through.
It will take too long to peel the back off all these bits.
Taking a look before the backing is removed.
The front
The backing paper
Peeling off the back. The front etching is not visible from the back.
Etch detail looks great with back light
Etching not as visible with front lighting
In the window.
I think the 3mm white matte one side worked well. If I did this over, I'd experiment with flouro acrylic materials.
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