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Without seeing your file, I cant say for sure if this will work… but I usually create two separate layers (one for the outline, then one for the hatch). I find it easier to label the layers with a number i.e. 1 for plot and 2 for guide (do not plot). When you plot, select the layers tab from the eggbot control menu and enter only the layer you want to print (in this case, the hatch layer) and the eggbot should only plot the data stored in that layer. As an alternative method, once the hatch is created, I think you could delete the outline altogether, although I usually like to keep mine in a different layer just in case I want to modify something later. Hope these sketchy details help, and have fun working with the eggbot.
I print almost entirely on “round” Christmas bulbs. To be sure the object is centered, I place the Egg-Bot on top of a sheet of printer paper, then use a sharpie to place a small dot of ink on the page. As I stand over the bot, I align the edge of the bulb, visually, with that small dot. As I manually rotate the ornament I can see “wobble”, and that tells me where and how far off my centering is. I correct the placement, then check again. When I can spin the bulb 360 deg. and not see much wobble I call it good and begin the plot. It’s a technique used on well over 100 bulbs and is often good for such projects. Video of last years ornaments is here: http://www.youtube.com/watch?v=cfv82nj9AMM You can see my notebook paper under the Egg-Bot, but the alignment dot is just out of the shot on the bottom edge of the video. My biggest hurdle was with the origional clear pads… they didn’t work very well with the smooth glass. A precision egg coupler solved most of those problems, and I highly recommend it if you don’t already have one. Trial and error works best, and I’m sure you will find something that works well for you.
