Thingiverse
Triangular rounded key
por m4rcSA
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We had a lamp post with the lid off. So I printed this key, after fixing it, to put in place again.
It's not a constant width polygon, so the sides didn't match. So I sketched over a reference photo with 2 arcs with FreeCad.
It perfectly fitted on first try. I have given 0,2 mm of extra margin on top of the height of the triangle. It's a modificable constraint of the sketch.
Prints fine without supports.
Dirt inside from using it in first photo.
It's not a constant width polygon, so the sides didn't match. So I sketched over a reference photo with 2 arcs with FreeCad.
It perfectly fitted on first try. I have given 0,2 mm of extra margin on top of the height of the triangle. It's a modificable constraint of the sketch.
Prints fine without supports.
Dirt inside from using it in first photo.
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