Nothing special about it, right? It has four simple legs and a simple top. Let’s say you were drawing a simple table in SketchUp, like the one shown below. This means that if you make multiple copies of a component, then change one of the copies, every copy of the component in the model will change as well.
On the other hand, a component is an object that can be be re-used in your model. Every copy of a group is an independent object that is completely unlinked to the others. However, if you make a copy of a group, that copy will be different than the original group in your model. In SketchUp, a group is a bunch of objects combined into a single object. ComponentsĬomponents in SketchUp are similar to groups, but they are much more powerful. Otherwise, you risk creating a model with so many faces stuck together that you’ll never be able to edit them in the future. A good rule of thumb is that any time you have a bunch of objects you even remotely think that you might need to change later, put them in a group or a component (see below). Groups help you keep your model organized. When you’re inside a group, simply select the items that you’d like to add to your subgroup, right click and select the “Make Group” option. It is possible in SketchUp to have groups inside of groups (called subgroups). To get back out of the group, simply double click outside the group.
This indicates that you are editing inside a group, and everything that isn’t faded out is included in the group. If you’ll notice, everything outside the dotted lines is faded and greyed out. Your screen will then look like the image below. If you ever want to edit the items inside your group, double click on an item in the group. Now, if you move the boxes together, then back apart again, the faces no longer stick together, because SketchUp does not make different groups stick to each other. This shows that you have a group selected, instead of just single objects. You should now find that when you click on the boxes, instead of individual lines or faces selecting, all the lines on the box will turn blue. Select the larger box and do the same thing. Right click and select the option labeled “Make Group”. To create a group, click and drag a box around a group of items to select them, as shown below.Īll of your selected items will turn blue. This means that when organized properly, you’ll never have to worry about going back into your model and trying to edit items, only to find that faces are stuck together and you have to delete faces and re-model them. The time saving thing about groups is that groups do not stick together. They are a number of different geometry items grouped together to make a single item. Groups in SketchUp are exactly what they sound like. However, there is a very simple solution that can help you avoid this issue.
This kind of sticky geometry can sometimes be useful, but as you start working with more complex models, it can cause you all sorts of problems. This is problematic because if you go into the model and try to pull the boxes back apart again, since the faces are merged, the smaller box pulls the face of the larger box with it, as shown in the image below. This means that the end face of the small box merges into the face of the larger box. If I move them together, so that their faces are touching, their faces stick together. Let’s say I have two boxes on the screen, like the ones shown below. This basically means that when lines and faces intersect, they stick together. For example, one of the things that SketchUp does by default is making geometry sticky. While SketchUp is one of the easiest 3D modeling softwares to learn and use, sometimes smart modeling strategies can make your life a lot easier when working in 3D. The Basics of Creating Groups and Components in SketchUp Groups
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