If your lights cast shadows setting them up correctly will speed up your render times. 1. Try not to cast shadows using omni lights; they are equivalent to placing 6 spotlights with a 90 degree field of view. 2. If youre rendering a scene with a lot of lights dont try and set them up all at once. Use Tools>Light Lister…
Again, I've pulled these from various places and find them useful. All credit goes to OPs. Right click on the snap icon for settings dialog, right click on any transform icon for the transform-type-in dialog, right click of any of the time-modifying icons (e.g. Play) for settings. Projecting a spline onto a mesh: Create a…