Warping/shrinking PLA problem

[Roberts_Clif]

I am a firm believer in the Blue Tape, I do not use blue tape because I use Vinyl Transfer Tape which is so close to blue tape I call it Blue Tape.

Largest Print

Filament Spool.jpg

Print Speed 8.5mm^3/ per sec " As shown it you hover over Print Speed in Cura 15.04.6
I print PLA with a bed temperature of between 40-56C an filament temperature of 190-202C
Open Air, Model cooling fan speed minimum 42% after first layer.
Print Time 4 hours.

Print Speed 8.5mm^3/ per sec " As shown it you hover over Print Speed in Cura 15.04.6
I print ABS with a bed temperature of between 94-98C an filament temperature of 228C
Enclosure temperature 100F
Enclosure Outside Vent Fan 70%
Inside Printer Enclosure, Model cooling fan speed minimum 42% after first layer.
Print Time 6 hours.
Print new 3D Printer ABS Parts On Chinese Bed Surface
MPCNC
3D Printing Large Part
https://youtu.be/KOUEevmqa48