Enrique, a feature request ... (I'm still trying to figure out python but getting pass "define the structure with white spaces" is not that easy)
One of the nophead's movies on youtube show a nifty feature that I implement by adding the g-code manually to the file and I recon it would be easy for you to add to raft making... Thing is, before you start "drawing" the raft, you pause (with heater on, extruder on) for a "X" seconds 2cm from where the raft will start so you create a "bulge" of plastic there that will nicely stick to the print bed, and then start printing raft from there. That will in fact make the first base line 2cm longer with a "bulge" on the beginning of the line...
b.
One of the nophead's movies on youtube show a nifty feature that I implement by adding the g-code manually to the file and I recon it would be easy for you to add to raft making... Thing is, before you start "drawing" the raft, you pause (with heater on, extruder on) for a "X" seconds 2cm from where the raft will start so you create a "bulge" of plastic there that will nicely stick to the print bed, and then start printing raft from there. That will in fact make the first base line 2cm longer with a "bulge" on the beginning of the line...
b.