![]() These create holes or flaps in the candidate surface, making it impossible to tell what is inside vs outside. The most serious is “surface borders”, which are places where the surface stops at an edge without continuing to another face. If you click the ? buttons in Solid Inspector 2 you will get descriptions of what each detected defect means. In SketchUp, the simplest test is that every edge is shared by exactly two adjacent faces. In essence, it is a continuous, closed surface that encloses a non-zero volume of 3D space. If you aren’t a math type, don’t sweat the technicalities, just accept that it’s another name for the same thing. In SketchUp, a “solid” is a surface that a mathematician would call a “two-dimensional manifold”. Then mirror or copy identical parts, and assemble them into the whole tram. It would probably be quicker to redraw from scratch using this process than to try and fix the internal faces or surface border issues with this model in the tram sides especially.įor many of the pieces, you can select one face, copy it clear of the rest of the model, and push pull it, then make a component of the result. Make dimensions whole numbers of m when drawing at x1000, or exact with only one decimal m. ![]() model using (sub)components to make the whole.It’s MUCH easier to draw, and to fix, if you: I guess as before that you will want to have this 3D printed. ![]() And that very little of it is modelled using components - only the curved roof ends. ![]() It doesn’t help that your ~143mm long model is almost 60 metres from the origin. If not, you are more likely to run into problems, although that of itself doesn’t cause surface border and internal face edges. And have you been modelling scaled up with metres for mm? It’s been suggested several times before for you. ![]()
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