Multi-threaded screw and nut, right and left threads 3D for print
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walls 2 to 3
Be careful to adjust your retraction or to align them well to avoid small beads that would prevent the nuts from coming down... freely.
If they have difficulty to go down I advise you to "break them in" by making them go up and down several times and add a little silicone lubricant, they should slide by themselves.
Designer
JU643d model description
Inspired by the ones we see everywhere at the moment I wanted to make a screw with more entries, to make it prettier with thinner threads, 10 entries ...on the left and 10 on the right with a 30mm/turn pitch, a nut with right pitch and a nut with left pitch (the .stl have been refined to avoid the facets we see on the one on the picture)3d model print parameters
layer 0.16walls 2 to 3
Be careful to adjust your retraction or to align them well to avoid small beads that would prevent the nuts from coming down... freely.
If they have difficulty to go down I advise you to "break them in" by making them go up and down several times and add a little silicone lubricant, they should slide by themselves.
