I am new to this, sort on a steep learning curve. I have a Flashforge Creator Pro - have added a glass plate, plus ‘magigo’ which seems to help with adhesion. If anyone has any better suggestions am more than open to suggestions.

Am trying to print a rocket - long and thin - so ending up with warping problems. The machine came with PLA - and some posts suggest that a bed temp of 45C is better. Currently it seems to be set to 105C - and certainly the build seems brittle - so that makes sense.
First question - do I need to lower the plate temp?
Second question - how do I do this?

Thanks - sorry for being dim.

105C bed is way, way too hot for PLA. PLA is typically around 50C and I suggest keeping the printer open to avoid heat build up. You can change the temperature in the slicing software…