PosteRazor must be the greatest thing since sliced bread.
The PosteRazor cuts a raster image into pieces which can afterwards be printed out and assembled to a poster.
Yep, that’s right, you can assemble a poster from copy paper on the cheap. But “how can I avoid the ugliness of scotch tape and paper curl?” you might ask. Good question!
I found 8.5x14 legal sized sheets with removable adhesive backing from onlinelabels.com which would let you slap your paper right onto the painted wall surface — no tape, no curling. Woohoo!