Add minimum flow rates for spiral vase transitsions #13329
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Currently when starting the spiral vase the extrusion rate is ramped from 0 to 100% on the first layer and from 100% to 0% on the last layer. In some cases it can lead to underextrusion at the beginning and end of the spiral. This change adds minimum flow rate options for the beginning and the end of the vase. This means that instead of ramping from 0% to 100% it instead ramps from for example 20% to 100%. This issue has been reported in SuperSlicer but the same issue occurs in PrusaSlicer aswell. supermerill#4195
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Here are also prints with the same values side by side. I trust you will figure out which is which. |
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Currently when starting the spiral vase the extrusion rate is ramped from 0 to 100% on the first layer and from 100% to 0% on the last layer. In some cases it can lead to underextrusion at the beginning and end of the spiral.
This change adds minimum flow rate options for the beginning and the end of the vase. This means that instead of ramping from 0% to 100% it instead ramps from for example 20% to 100%.
This issue has been reported in SuperSlicer but the same issue occurs in PrusaSlicer aswell.
supermerill#4195
The behaviour of this feature can be tested by viewing the volumetric flow rate of a flow-rate limited slice. Here are two screenshots one with the existing 0% starting points and one with 70% and 40% starting points on the start and end of the spiral.