Thanks for the responses, but being told I don’t need a raft is not exactly what I was looking for.
I was attempting to get a surface texture similar to that from our Stratasys system at work and experimenting with the raft for that purpose. I noticed an anomaly in the gcode that does not seem to allow the print to rest on the raft. This is causing the first part layer to string and not adhere very well to itself, the raft or the second layer. I am just trying to determine if there is a setting I’m missing, or if Slic3r has a problem. I have noticed the same gap in MatterControl, so I’m thinking now it is a setting, but which one?
I am using a TAZ 4 printing ABS on the PET surface 225°C/80°C without a raft too, but seem to have either a gap, temperature or extrusion problem as my first 4-5 layers are always overly melted and very sloppy. Layers after that look fine. My bed is at 80°C as the center of the bed reads about 10° hotter than where the sensor is located. I use the gluestick method (Elmer’s) to help adhesion, but find the parts stick so well that I’m tearing the PET trying to remove them. If I don’t use the stick they get knocked off after a dozen layers or so.
I am using the recommended Slic3r settings for medium extrusion, support off, with the temps and raft settings different. I also set 3 perimeters and infill at 60% (Structural part. Needs to be compression resistant.)
Haven’t tried the ABS glue method yet. Any info on the proper mix ABS:Acetone for that preparation?
I have ordered the PEI materials for the surface upgrade and am looking forward to trying that option for adhesion.
I am currently not located where I can get photos of the above issues, but I will upload some as soon as I can.
Thanks for your help.