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Two/one (by Jaroslav Kopal)
How to turn two bodies into one body? How to connect them?
Mon Sep 27 2021, 19:48:01
(no subject) (by Jaroslav Kopal)
For example, to combine a cube and a sphere into one body
Mon Sep 27 2021, 20:16:51
(no subject) (by Andrew)
Select union when you create the second solid., which is the default option. Therefore for you example , sketch a square and extrude it to make a cube. Then start a new sketch to draw a closed semi circle (a semi circulararc, with a line to close the figure) in the position you want it, and lathe it to create the sphere.
Tue Sep 28 2021, 16:13:27
(no subject) (by Jaroslav Kopal)
Thanks Andrew. I did it according to your instructions. It works like this, but when I want to export it to .stl it says: The mesh is self- intersecting (NOT okay,invalid). The mesh is watertight (okay,valid). 256 problematic edges,bad. What do I need to edit?
Thu Sep 30 2021, 03:41:47
(no subject) (by Andrew)
That suggests that you have solid group, (extrude, lathe, link/assemble) as an assemble group. All other options combine the solids into a single, while the assemble option keeps them as distinct parts.
Thu Sep 30 2021, 08:47:25
(no subject) (by Andrew)
Addendum to previous message, assemble is the default option for link/assemble groups.
Thu Sep 30 2021, 08:48:50
(no subject) (by Jaroslav Kopal)
Yes, it works, but I have a feeling that sometimes it reports an error (press Esc in green) and .stl will be generated anyway ... And program 3D Blender will take it .stl just fine. Thanks Andrew..
Fri Oct 1 2021, 04:56:41
(no subject) (by Tom)
I think it always generates the STL, even if it thinks there are errors. Some slicers are okay with bodies touching but not merged, but sometimes you'll see artefacts in the toolpath (e.g. extra unnecessary outlines).
Fri Oct 1 2021, 15:43:39
(no subject) (by Jaroslav Kopal)
You are right ! Merging 2 bodies is actually data minimization. Just because they're embedded doesn't mean they're merged! Thanks for your answer.
Sat Oct 2 2021, 05:28:15
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