Update bed size
Set bed temp to 70 for PLA
Revert back to 2d honeycomb infill and reduce support material speed

Those damn pillars need to go slowly
Copy 35% profile to 20% with just fill_density changed
Update slic3r.ini
Add more interface layers for better contact area
Bump up perimeters for 20% infill profile

Stronger parts!
Drop the support material angle -- it's already rotated I think
Reduce the support material spacing for hopefully denser support materila
Tweak retraction settings

Don't lift -- that rattles the glass platform. Retract faster and wipe instead.
Update slic3r.ini