I like the bed. Much better than my first model
The problem with lost objects is easy to solve. Blender has an "
Outliner", which is a panel that contains the list of
all of the entities in your scene. Each item has the name that you gave to them, subitems, an icon idicating its type and the switchers: visible (render it in the 3D viewports or not), editable (allow editing or not), rederable (render it or not).
When you click on the entity in the outliner, it is selected in all 3D viewports. Now you have three solutions (at least, they are the ones I can remember):
1. Slect the entity in the Outliner and press
N in one viewport to see the properties panel (or go to view->view properties). Select the lost camera in the outliner and place the object at 0,0,0 using the properties panel;
or
2. If you do not want to move the camera or any lost object, select the entity in the Outliner and, in a 3D viewport, press
Shift->S(Snap to) and select
Cursor to Selection. Then press
C (set cursor as viewport's centre);
or
3. Select the entity in the Outliner and press
Numpad / in the 3D viewport.
Edit: This will focus the object and hide all of the others. Press
Numpad / to show them.
Using Outliner for this sounds very complicated. But Outiliner and the
Layers system will be the most wonderful things when you face a gigantic scene with hundreds of hidden objects.
You may select the camera and press
Control + Numpad 0 to set the it as default.
Enjoy.
Ps.: You open the ouliner like you open any other panel. Split an existing panel and change the type of the new one to
Outliner. Look at the other types of panels as well.
"The difference between stupidity and genius is that genius has its limits." - Albert Einstein