... AutoCAD Bible\ databases\ab20-prt.xls worksheet. Click OK three times and close theControl Panel.7. Open AutoCAD. Open ab20-a.dwg from the CD-ROM. Save it as ab2 0-0 1.dwg in your AutoCAD Bible ... rectangle and triangleviewed from plan view and southeast view.1,7,5 6, 4,33,2,110 ,6, 00,0,0Cross-Reference30_788 864 ch21.qxp 5/22/ 06 7: 36 PM Page 65 2 65 4Part IV ✦ Drawing in Three DimensionsSpherical ... 3DcoordinatesUsing point filters,object snaps, and gripsin 3DUsing elevation and thicknessCreating a custom UCSfor 3D drawings✦✦✦✦30_788 864 ch21.qxp 5/22/ 06 7: 36 PM Page 64 9 62 6Part III ✦ Working...