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For a nozzle size of 0.4 mm you need to calculate the area of the nozzle:
(Pi*d²)/4 = (3.141*0.4²)/4 = 0.126 mm²
After that you need to decide (or test) which amount of material is need to compensate the under-extrusion at the beginning. Therefore you have to multiply the length of extra prime.
So for DaHai8s 0.064 mm³ it means that you have an extra amount of approx. 0.5 mm
*Math mode off*
Hope that helps everyone who is finding this thread, like I do ;-)
Retraction Extra Prime Amount - Suggested Values?
in UltiMaker Cura
Posted
To do it more mathematically:
*Math mode on*
For a nozzle size of 0.4 mm you need to calculate the area of the nozzle:
(Pi*d²)/4 = (3.141*0.4²)/4 = 0.126 mm²
After that you need to decide (or test) which amount of material is need to compensate the under-extrusion at the beginning. Therefore you have to multiply the length of extra prime.
So for DaHai8s 0.064 mm³ it means that you have an extra amount of approx. 0.5 mm
*Math mode off*
Hope that helps everyone who is finding this thread, like I do ;-)
*waiting for applause*