If the compression is correct (this is a quick hand draw, but would be close!) all 5 lines of engraving would match each other. My LS900 can be programmed to refocus different colors, so in this case, black would engrave, then the table would raise a set distance for the blue, then raise more for green. You can see I've compressed the height of lines 2 and 4 somewhat, and lines 1 and 5 quite a bit, to compensate for the radius. when engraving this way I've found that 2/3 the actual diameter is about the 'radial engraving limit', so I drew this as such. I'll try a pic- I cermark engrave SS tubes, 4 and 5 lines of text lengthwise, and to not use the rotary I manually compress the lines of text, like shown: Not sure how to explain this as I'm kinda dumb with the terminology - but to do this, the graphic must be uniformly compressed from the middle outward the same percentage as the amount of increase surface area gained going down the radius. Therefore, the graphic you're sending to the laser must be adjusted to compensate for the stretch. I know nothing of Radian, but I know this much about engraving around radius's the farther down a radius you engrave, the engraving 'stretches', or gets longer, because more surface is exposed the more the surface angle increases from dead flat.
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