3 ms·
This is good -- but they aren't quite the same? [0] And the way they are not the same is (as the GP is saying) rather telling about the challenge of getting re
by throwgfgfd25 2y ago
This is good -- but they aren't quite the same? [0]
And the way they are not the same is (as the GP is saying) rather telling about the challenge of getting really precise things working in OpenSCAD without a pretty solid grasp of maths.
[0] they might be functionally equivalent in application, which is not nothing, of course
- WillAdams 2y agoWorking on this in OpenSCAD (well, BlockSCAD) now: https://www.blockscad3d.com/community/projects/1814083 https://www.blockscad3d.com/community/projects/1814083 Trying to work out the triangles/chords to get the radiuses positioned --- a workable approach should be to: - use a triangle to determine the position of the 8 degree rotation and position elements which define the top of the web offset by that distance - use a chord/triangle to determine the position of the circle for the smaller radius - chain another calculation from that to determine the position of the circle for the larger radius - chain one final calculation to get the flat element which makes the end of the web co-planar with the flat top of the small cylinder I need to go work in the yard for a bit, but I'll keep thinking this through and hopefully will finish it up this evening.
- WillAdams 2y agoCouldn't let it go, but got everything except for the positioning of the small radius and maybe the height of the web slope is off (had to increase 2 to 2.05 to keep a gap from appearing). I think if one laid out the radius stuff flat and then rotated it things would be easier to visualize.