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When printed in PETG with 70% infill and 10 walls, it is really strong.
Insert a \"Pause\" in your slicer on the right height to insert the nut.

To print this I am using:

PrusaSlicer (OrcaSlicer can probably do the same)
Orientation: grip facing up
PETG filament
10 walls
10 solid layers on top and bottom
70% Cubic infill
Layer height: 0.15 mm
A cylindrical support blocker to prevent supports in the shaft and where the nut needs to be placed
Support style: Grid
'Supports on build plate only'
'Thick bridges'
'Extra perimeters on overhangs'
Insert a 'Pause' on the layer where it starts to bridge the top of the nut

Designed in Fusion360, source file included.
Many dimensions can be configured using MODIFY > Change Parameters.

In Fusion360, I am using this solution to import CSV parameters while overwriting existing values:
https://forums.autodesk.com/t5/fusion-support-forum/how-can-i-import-parameters-from-a-csv-and-overwrite-the/m-p/13947650/highlight/true#M212331

The design is inspired on the male version you can order here:
https://www.boottraileronderdeel.nl/search/Draaiknop+M10/

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Parametric Star Knob M8 M10 M12 Handle Grip

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