The bottom of part 14769 has gaps in high res

[Peter Grass]

When looking at the bottom of part 14769 in high res there are big gaps that don't appear in the low res version of the part.



vs

[Peter Blomberg]

Yes, it happens because the author of the part didn't consider primitive substitution well enough.

The lines
4 16 -6.34415 4 14.63473 -6.12288 4 14.78193 0 4 16 -5.65686 4 5.65686
3 16 -5.65686 4 5.65686 0 4 16 0 4 11.31372
3 16 0 4 11.31372 0 4 16 5.65686 4 5.65686
4 16 5.65686 4 5.65686 0 4 16 6.12288 4 14.78193 6.34415 4 14.63473
need to be replaced with
1 16 0 4 0 6.12293 0 -14.78207 0 4 0 14.78207 0 6.12293 1-8chrd.dat
3 16 -6.1232 4 14.7824 6.122867 4 14.78195 0 4 11.31372
4 16 -5.65686 4 5.65686 -6.344153 4 14.63473 -6.1232 4 14.7824 0 4 11.31372
4 16 5.65686 4 5.65686 0 4 11.31372 6.122867 4 14.78195 6.344153 4 14.63473
in the orientation appropriate for subfile s02

[Sylvain Sauvage]

6143 has the same kind of problem: image.

(Sorry, link is http, it doesn’t work as an image….)

[Rene Rechthaler]

the gaps around the axlehole could be fixed with 4-4erings in 6143s01, the ones at the stud cutout with two rotated 1-8erings in s02
(that will still cause microgaps and unwanted surfaces but at least its closed...)

[Vincent Messenet]

Speaking about 6143 current model has some differences compared to BI mesh as seen on https://postimg.cc/N5H2dvsV where the left part is the 3941 model, middle part is the 6143 both from LDraw while the right part is 6143 from BI meshes.

LDraw version of 6143 prevent to fully insert middle ring of 78258 as seen and discussed on BL forum: https://forum.bricklink.com/viewtopic.php?t=13663