Example work with GLScene components. Load 3DS object and rotate it. Use mouse for change viewport.
File list:
3DModels
.......\teapot.3ds
LibJpeg.dcu
Project1.cfg
Project1.dof
Project1.dpr
Project1.dsk
Project1.exe
Project1.res
Project1.stat
Project1.~dsk
Unit1.dcu
Unit1.ddp
Unit1.dfm
Unit1.pas
Unit1.~ddp
Unit1.~dfm
Unit1.~pas