Hi
I think this is a software question that relates to hardware.
If a job were twice the length of the available work area, will LB allow me to divide it in two…and will there be issues with realigning the grain, if its wood etc that I’m using.
Would a bit of crafty staggered joint work help to disguise an otherwise obvious horizontal joining line…is lightburn ok with that.
Is this what you have in mind?
To add to the above, here is a link to the Doc’s
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If the slab is less than the machine’s clear span width, you can just feed it through without cutting it. Some CO₂ lasers have two (or four!) passthrough hatches for that very purpose.
Put a pair of Print and Cut targets near the middle to align the two parts of the design that will fit within the machine’s length and Fire. The. Laser.
Now, for a really big slab that sticks out on all sides, you might be able to perch the whole machine atop it and align with those same P-n-C targets. I’d want to try that a couple of times on cardboard to make sure I understood all the loose ends.
Like, for example, ensuring the machine cannot slide around on that nice smooth wood surface while the laser head whips back and forth … 
Thank’s Ray, good video instruction.
Thank’s David, I’ll look at the doc.
Thank’s ednisley, I forgot about the feedthrough idea but unmysteriously you might have brought the plan together.
I have always loved the fine detail work we see here on LBf but also have it in my head to do very lage projects. I’m juuust about to join Tyvok’ kicktarter for S1 as I like the rack and pinion idea. Not a big difference between 8’x4’ & 4’x4’ price but the 4x4 uses less space. The feedthrough would work well with that combined with previous suggestions using Lightburn.
Also a small Ortur with IR1064 or 1.6w or 2w could sit attop and do the detail.
Tyvok also are offering a 1064…but could the controls on S1 be thaaat fine?