Building thickness
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A quick addition to my earlier comment:
- you could also just offset the floorplane and pushpull it up just below the rooflevel.
- if you make a group of a closed object it will automatically turn into a solid. You can only 3d print solid objects
- check the specs and material of your 3d printer. it will depend the minimall thickness of the walls and roof and if you need supporting structures for the roof.
- check your units. If you want to 3d print the model at some scale, the model should be scaled accordingly.
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@kaas said:
A quick addition to my earlier comment:
- you could also just offset the floorplane and pushpull it up just below the rooflevel.
- if you make a group of a closed object it will automatically turn into a solid. You can only 3d print solid objects
- check the specs and material of your 3d printer. it will depend the minimall thickness of the walls and roof and if you need supporting structures for the roof.
- check your units. If you want to 3d print the model at some scale, the model should be scaled accordingly.
No 1 is a good idea. Faster.
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@pbacot said:
OK. As I understand, it will.
It's depending on the printing technology. If it's powder based for example, you need escape holes for the powder inside... for some ideas of rules see here .
You need to follow the design rules for the specific printer that will be used! (wall thickness, holes, ...)
A quick way to add thickness to the walls in this case could be the JPP plugin from Fredo, and to make it into a solid component use Solidsolver from TIG...
[screenr:3mtb2nbb]YSUN[/screenr:3mtb2nbb]
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@Cotty
How select the faces on this video ?
Does the background external faces of the 2 "little boxes" are selected?
Have you a screenshot of the JPP toolbar regulates? -
Does this screenshot help?
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I've got the same problem with your geomtry...
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I believe that your geometry works because your 2 little boxes are "penetrating" by the top inside the big one!
Mine is just "pasted" without soaking even inside is effectively dug!
So maybe Fred must improuve his JPP!
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@rudbeckia said:
A 3d printer will not read just a face in SU even in the faces are closed, like a cube. It does not read the cube as a solid......at least thats what i have been told.
I've not had that problem. When you have a closed volume, in SketchUp it will say "Solid" in Entity Into then it's good to go for 3d print.
This was printed from a SketchUp model:
https://plus.google.com/u/0/photos/103450081381233788032/albums/5754245713469640065
I used iMaterialize's services.
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Poor pawn !
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The simple definition of a manifold solid - one that will successfully 3d-print when exported to a compatible file format - is a collection of 'geometry', consisting of just faces and the edges bounding those faces [within a group or a component 'container'].
Every edge must bound exactly two faces - no fewer and no more.
So that precludes faceless edges, or edges around holes, forming flaps/shelves etc with therefore one face only, or edges bounding internal partition faces where they would have three or more faces, or edges shared by two otherwise seemingly solid objects - like cubes meeting along one edge - where that edge is shared by four faces.
It also precludes nested groups/components and any other entities like text and dims.
Although construction-lines and points [aka guides] within a collection do not compromise its solidity, these are best avoided when sending on for 3d-printing etc... -
You should consider downloading a demo version of Rhino and running the Shell command. I'm assuming you're just printing the outside volume of these buildings, therefore you don't need floors. Shell will do what I think you're looking for.
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