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November 11, 2008

3D Studio Max Add Legs for Chest of Drawers


Welcome everyone, to today’s tutorial on advanced polygonal modeling, where we show you how to add details such as legs of a chest of drawers, by using the slice plane tool.

Create polygons to act as ‘base’ for the legs of chest of drawers

1. in top view, create box with length of 40, width of 60, and height of 100

2. in command panel, select modify tab, and change height segments to 5

3. right-click box, and select Convert To Editable Poly

4. press W, to select move tool

5. set values for x,y,z coordinates to 0,0,0

6. in perspective view, press Alt + MMB click and drag to arc rotate, till the bottom of the box is seen

note: MMB means middle mouse button, which is also equivalent to the mouse wheel

7. in modify panel, click Polygon sub-object mode

8. click bottom polygon, to select it

select extrude settings

9. right-click selected polygon, and select Extrude Settings, then select Extrusion Type of group, and enter 4 for height, and click OK

select inset settings

change inset settings

10. right-click currently selected polygon, and select Inset Settings, then select Inset Type of group, and enter 2 for inset amount, and click OK

11. right-click currently selected polygon, and select Extrude Settings, then select Extrusion Type of group, and enter -4 for height, and click OK

note: negative value for height for extrude settings, actually causes the polygon to ‘recede’ into the ‘base’

Create legs of chest of drawers from polygons using slice pane tool

select polygon subobject mode

1. ensure you are currently in polygon sub-object mode

select crossing selection mode

2. ensure you are in crossing selection mode

note: crossing selection mode is indicated by icon with circle partially inside a rectangle, and this selection mode causes anything which is PARTIALLY within the rectangular marquee created by selection tool to be selected

note: window selection mode is indicated by icon with circle completely inside a rectangle, and this selection mode causes ONLY objects/sub-objects which are COMPLETELY within the rectangular marquee created by selection tool to be selected

ignore backfacing checkbox

3. ensure ignore backfacing checkbox is unchecked

note: if ignore backfacing checkbox is unchecked, subobjects which are ‘hidden’ ‘behind’ subobjects currently being selected will ALSO be selected

create rectangular marquee

4. in front view, click and drag out rectangular marquee to partially cover the bottom polygon, to select polygons in front, at bottom, and behind, and which are at least partially within the rectangular marquee

click slice plane

5. in modify panel, click Slice Plane button

6. right-click front view, to select front view

7. press E, to select rotate tool

click angle snap

8. press A, to toggle on angle snap (or directly click the angle snap button)

rotate slice plane

9. in front view, click and drag the rotate gizmo, to rotate slice plane 90 degrees

10. press W, to select move tool

11. in front view, click and drag slice plane to the left, to position it where the first new edge on will be created on the selected polygons

click slice button

12. enter exact value of -24 for x coordinate, click Slice button, to add edge on selected polygons, at current position of the slice plane

13. enter value of -22 for x coordinate, click Slice button, to add edge on selected polygons, at current position of the slice plane

14. enter value of -20 for x coordinate, click Slice button, to add edge on selected polygons, at current position of the slice plane

15. enter value of -18 for x coordinate, click Slice button, to add edge on selected polygons, at current position of the slice plane

16. repeat steps 12 to 15, but with positive values for x coordinate, of 24,22,20,18, respectively

17. in perspective view, press Alt + MMB click and drag, to arc rotate view, to view the bottom of the editable poly object

18. Ctrl + click the narrow center polygons, at the front and back, to select both polygons

19. press W, to select move tool

20. click and drag the Z-axis transform gizmo, to move selected polygons upwards

select vertex subobject mode

21. in modify panel, select vertex selection mode

select vertices with rectangular marquee

22. in front view, click and drag rectangular marquee to cover the only the two visible ‘matching’ vertices on the edge connected to the polygons which were moved upwards

note: as ignore backfacing checkbox is unchecked, even vertices which are not visible, but actually behind current vertices being selected are ALSO selected

23. click and drag Z-axis transform gizmo, to move selected vertices upwards, to just below the position of the previously moved polygons

24. repeat steps 22 to 23, for the next set of vertices further away from the center, and move them upwards to position just below the previously set of moved vertices

note: you can repeat the above steps with appropriate changes to values, and with appropriate rotation and movement, to create new edges for the polygons at the side of the drawers using slice plane, so that you can move the new polygons and vertices, to create legs for the drawers on the sides of the chest of drawer.

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