Sparkmaker SLA resin not curing My model layers are printing much as I expect but the parts when removed from the plate are very soft and flexible and fail to harden any further in sunlight or UV lamplight.  A tall or slender part will bend and distort under its own weight while printing.  I am using LCD-T resin, I have increased time and reduced thicknesses and am now using 0.04&nbsp;mm layers at 20&nbsp;s and 255 brightness with no improvement.
Can anyone suggest what I need to change?
It might be the case that the resin separated into layers in the tray. Try mixing the resin well in its container. 

I have also heard it can help to filter the resin prior to mixing.