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merging assemblies (by Mike O)

Ran into another interesting problem. I've created a part by importing building blocks from separate sketches. I've put some constraints so the blocks are actually connected (sharing surfaces). Then put it through 3D printing, and it appears the parts remained separate while tightly printed together, like if the surfaces didn't actually merge. Is there a trick to it, or it is a limitation with assemblies ?

I will attach the sketches later tonight.

Sun Mar 17 2019, 13:39:15
(no subject) (by Tom)
Set "solid model as" to "union" in the properties window.
Sun Mar 17 2019, 15:31:54
(no subject) (by Mike O)
Excellent! Trying that now :)
Mon Mar 18 2019, 00:39:52
(no subject) (by Mike O)
Yeah, switching to "union" didn't do the trick. I'll attach my sketches in case somebody could take a peek.
Mon Mar 18 2019, 12:20:08, download attachment cmax_cell_boot_bottom.slvs
(no subject) (by Mike O)
And this is the assembly...
Mon Mar 18 2019, 12:20:39, download attachment bottom4.slvs
(no subject) (by Andrew)
Are you sure that you re-exported the .stl, as I only got a single object in slic3r.
Mon Mar 18 2019, 17:44:54
(no subject) (by Mike O)
The first file, cmax_cell_boot_bottom.slvs should indeed implement a single object. Then bottom4.slvs combines it four times, which is what I'm having trouble with. Slic3r does show the correct thing, and I don't visually see any anomalies, but the walls get printed separately. I am printing with TPU, so it's easy to see the walls are separate when the final thing is flexed and walls come apart.
Mon Mar 18 2019, 19:30:24
(no subject) (by Andrew)
Check your slicer settings, I got, in layers preview, what looked like your problem, all parallel runs, with 3 vertical shells, and infill when I reduced that to two shells. Thin sections can cause such problems when the layers used almost, but not quite fill the section with shell layers.
Tue Mar 19 2019, 06:47:50
(no subject) (by Mike O)
Will check, thank you!
Tue Mar 19 2019, 10:25:12
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