[adaptive speeds]

is there a setting that says at this height slow down to 50% speed then ramp up to 75% at another height. 

I know about adaptive layers but this needs more manual control

[Issue with printing PVA/Printcore BB]

use one of these

To clean PVA core use one of these. just lightly push n twist , then push through PLA then repeat and all the soot and crystalised PVA will come through.

[Olsson block nozzle problems]

I had this problem with a 0.25mm nozzle until i realised that not just changing the nozzle size on cura was essential , but using a higher flow rate to build pressure. this takes some tinkering.

Anyone else found this or just me?