With Layer 3 active, and working in Top View, drag a lasso around the first door we made, like in picture 26.
Copy this door and paste it in Layer 4, then activate the Rotate Tool, bring up the Numeric Panel and use the following settings.
Axis: Y
Angle: 90 degrees
Centre: 0 on all
Click Apply to rotate the door, then activate the Move Tool and bring up the Numeric Panel, enter the following settings.
Click Apply to move the door. Activate the Mirror Tool and bring up the Numeric Panel. Set the Axis to X and the Center values at 0, then close down the Numeric Panel and hit Space to perform the operation. All doors for Level 0 should now be in place, so lets get on with the doors for Level 1. Copy the doors in Layer 4, then switch to Layer 3 and paste them there. Go back to Layer 4 again and activate the Mirror Tool. Bring up the Numeric Panel, set the axis to Z and the centre values at 0, then close down the Numeric Panel and hit Space.
Open up the Polygon Statistics Panel and click the + next to “Total”. This will select all the polygons in the Layer. Close down the Statistics Panel and hit “c” to copy these, then hit “v” to paste them again.
Keep the Polygons selected and activate the Rotate Tool, bring up the Numeric Panel and use the following settings.
Axis: Y
Angle: 90 degrees
Centre: 0 on all
Click Apply to perform the rotate operation. Layer 4 should now look like picture 27.
Working in Top View, drag a lasso to select the bottom doors, like in picture 28
When the doors are selected, simply delete them since we don’t need them. We only need to move these doors a bit on the Y axis now and we are finished, so activate the Move Tool and bring up the Numeric Panel, then use the following settings.
There, the doors are finished! Viewing all the Layers together would now look something like picture 29.
Save all these objects now by hitting “s” on your keyboard, like I said before, we’ll save all of the objects we create as the same file. Now it’s time to create the Floors and Roofs.
Building Floors and Roofs
The Level 0 Floor will not be that complicated to create, we just need to create a box. Switch to Layer 5 and activate the Box Tool, then bring up the Numeric Panel and use the following settings.
Close down the Numeric Panel and hit Space to create the box. Open up the Change Surface Panel and create a new surface called “Floor”, then give it a brown colour (R: 130 G: 100 B: 80). Set the specular to 0% and then click OK. That’s it for the Level 0 floor, switch to Layer 6 now so that we can create the floor for Level 1.
Activate the Box Tool again and bring up the Numeric Panel, then use the following settings.
Close down the Numeric Panel and hit Space to create the box. Switch to Layer 7 and create yet another box with the following settings in the Numeric Panel.
Close down the Numeric Panel and hit Space to create the box. Switch to Layer 6 and put Layer 7 in the background, then perform a Boolean Subtract operation and merge points when you’re done. 8 points should be eliminated. Switch to Layer 7 and delete this box, then go back to Layer 6 and activate the Knife Tool and use the following values in the Numeric Panel.
Axis: Y
Close down the Numeric Panel and hit Space to perform the cut.
We will cut it two more times, so activate the Numeric Panel again for the Knife Tool, and use the following settings.
Axis: Y
Close down the Numeric Panel and hit Space to perform the cut, then activate the Knife Tool again and use the following settings.
Axis: Y
Close down the Numeric Panel and hit Space to perform the cut. Working in Layer 6, activate the Box Tool and use the following values in the Numeric Panel.
Close down the Numeric Panel and hit Space to create the box. Merge the points now, and 4 points should be eliminated. Layer 6 should now look something like picture 30.
What we have to do now might be a bit tricky. The Top polygons of this object should later become the Level 1 Floor. The Bottom polygons will be the Roof of Level 0, and the thin border we cut with the knife will have the Walls_Wood surface on them, so lets get to work. Bring up the Change Surface Panel and select the Floor Surface, then click OK to apply it. Now we are sure that all of the Polygons are carrying the Floor Surface. Size up the Back View and drag a lasso around the bottom Polygons, like in picture 31.
When the polygons are selected, open up the Change Surface Panel and create a new surface called “Roof”. Give it a brown colour (R: 100 G: 70 B: 60), keep the specular at 0% and then click OK.
Now size up Top View and drag a lasso around the polygons we cut earlier, like in picture 32.
With these polygons selected, activate the Knife Tool and bring up the Numeric Panel, then use the following settings.
Axis: Y
Close down the Numeric Panel and hit Space to perform the cut. Then activate the Knife Tool again and bring up the Numeric Panel, use the following settings.
Axis: Y
Close down the Numeric Panel and hit Space to perform the cut. Keep the polygons selected and drag a lasso around the mid section where we just made the cut, like in picture 33, then check picture 34 to see if you got it right.
With these polygons selected, bring up the Change Surface Panel and set the surface to “Walls_Wood”, then click OK. Keep the polygons selected and activate the Bevel Tool, then use the following settings in the Numeric Panel, one at a time.
Deselect everything and the Level 1 Floor is finished. Now we just need to take care of the Level 1 Roof, which is quite simple.
Switch to Layer 7 and activate the Box Tool, then bring up the Numeric Panel and use the following settings.
Close down the Numeric Panel and hit Space to create the Box. Open up the Change Surface Panel and set the surface to “Roof”, then click OK to apply the surface.
Now we are going to arrange the Layers a bit. Switch to Layer 2 where the Level 1 Walls is, and cut them out with “x”, and then paste them in Layer 1 together with the Level 0 Walls. Cut the doors out of Layer 3 and 4 and paste them in Layer 2.
Cut the Floors and Roofs out of Layer 5, 6 and 7 and paste them in Layer 3. Now have a look at picture 35, 36 and 37 and see that your layers are the same.
Okay, now press “s” to save the progress we’ve made so far, and now it’s time for the Stairs.
Picture 26: Drag a lasso around the first door we created
Copy this door and paste it in Layer 4, then activate the Rotate Tool, bring up the Numeric Panel and use the following settings.
Axis: Y
Angle: 90 degrees
Centre: 0 on all
Click Apply to rotate the door, then activate the Move Tool and bring up the Numeric Panel, enter the following settings.
Click Apply to move the door. Activate the Mirror Tool and bring up the Numeric Panel. Set the Axis to X and the Center values at 0, then close down the Numeric Panel and hit Space to perform the operation. All doors for Level 0 should now be in place, so lets get on with the doors for Level 1. Copy the doors in Layer 4, then switch to Layer 3 and paste them there. Go back to Layer 4 again and activate the Mirror Tool. Bring up the Numeric Panel, set the axis to Z and the centre values at 0, then close down the Numeric Panel and hit Space.
Open up the Polygon Statistics Panel and click the + next to “Total”. This will select all the polygons in the Layer. Close down the Statistics Panel and hit “c” to copy these, then hit “v” to paste them again.
Keep the Polygons selected and activate the Rotate Tool, bring up the Numeric Panel and use the following settings.
Axis: Y
Angle: 90 degrees
Centre: 0 on all
Click Apply to perform the rotate operation. Layer 4 should now look like picture 27.
Picture 27: Layer 4 should look like this (Click to enlarge)
Working in Top View, drag a lasso to select the bottom doors, like in picture 28
Picture 28: Drag a lasso around the bottom doors in the Top View
When the doors are selected, simply delete them since we don’t need them. We only need to move these doors a bit on the Y axis now and we are finished, so activate the Move Tool and bring up the Numeric Panel, then use the following settings.
There, the doors are finished! Viewing all the Layers together would now look something like picture 29.
Picture 29: All Layers viewed together (Click to enlarge)
Save all these objects now by hitting “s” on your keyboard, like I said before, we’ll save all of the objects we create as the same file. Now it’s time to create the Floors and Roofs.
Building Floors and Roofs
The Level 0 Floor will not be that complicated to create, we just need to create a box. Switch to Layer 5 and activate the Box Tool, then bring up the Numeric Panel and use the following settings.
Close down the Numeric Panel and hit Space to create the box. Open up the Change Surface Panel and create a new surface called “Floor”, then give it a brown colour (R: 130 G: 100 B: 80). Set the specular to 0% and then click OK. That’s it for the Level 0 floor, switch to Layer 6 now so that we can create the floor for Level 1.
Activate the Box Tool again and bring up the Numeric Panel, then use the following settings.
Close down the Numeric Panel and hit Space to create the box. Switch to Layer 7 and create yet another box with the following settings in the Numeric Panel.
Close down the Numeric Panel and hit Space to create the box. Switch to Layer 6 and put Layer 7 in the background, then perform a Boolean Subtract operation and merge points when you’re done. 8 points should be eliminated. Switch to Layer 7 and delete this box, then go back to Layer 6 and activate the Knife Tool and use the following values in the Numeric Panel.
Axis: Y
Close down the Numeric Panel and hit Space to perform the cut.
We will cut it two more times, so activate the Numeric Panel again for the Knife Tool, and use the following settings.
Axis: Y
Close down the Numeric Panel and hit Space to perform the cut, then activate the Knife Tool again and use the following settings.
Axis: Y
Close down the Numeric Panel and hit Space to perform the cut. Working in Layer 6, activate the Box Tool and use the following values in the Numeric Panel.
Close down the Numeric Panel and hit Space to create the box. Merge the points now, and 4 points should be eliminated. Layer 6 should now look something like picture 30.
Picture 30: The basic Level 1 Floor (Click to enlarge)
What we have to do now might be a bit tricky. The Top polygons of this object should later become the Level 1 Floor. The Bottom polygons will be the Roof of Level 0, and the thin border we cut with the knife will have the Walls_Wood surface on them, so lets get to work. Bring up the Change Surface Panel and select the Floor Surface, then click OK to apply it. Now we are sure that all of the Polygons are carrying the Floor Surface. Size up the Back View and drag a lasso around the bottom Polygons, like in picture 31.
Picture 31: Select the bottom polygon in the Back View
When the polygons are selected, open up the Change Surface Panel and create a new surface called “Roof”. Give it a brown colour (R: 100 G: 70 B: 60), keep the specular at 0% and then click OK.
Now size up Top View and drag a lasso around the polygons we cut earlier, like in picture 32.
Picture 32: Drag a lasso around the cut polygons
With these polygons selected, activate the Knife Tool and bring up the Numeric Panel, then use the following settings.
Axis: Y
Close down the Numeric Panel and hit Space to perform the cut. Then activate the Knife Tool again and bring up the Numeric Panel, use the following settings.
Axis: Y
Close down the Numeric Panel and hit Space to perform the cut. Keep the polygons selected and drag a lasso around the mid section where we just made the cut, like in picture 33, then check picture 34 to see if you got it right.
Picture 33: Drag a lasso around the mid section
Picture 34: These polygons should be selected
With these polygons selected, bring up the Change Surface Panel and set the surface to “Walls_Wood”, then click OK. Keep the polygons selected and activate the Bevel Tool, then use the following settings in the Numeric Panel, one at a time.
Deselect everything and the Level 1 Floor is finished. Now we just need to take care of the Level 1 Roof, which is quite simple.
Switch to Layer 7 and activate the Box Tool, then bring up the Numeric Panel and use the following settings.
Close down the Numeric Panel and hit Space to create the Box. Open up the Change Surface Panel and set the surface to “Roof”, then click OK to apply the surface.
Now we are going to arrange the Layers a bit. Switch to Layer 2 where the Level 1 Walls is, and cut them out with “x”, and then paste them in Layer 1 together with the Level 0 Walls. Cut the doors out of Layer 3 and 4 and paste them in Layer 2.
Cut the Floors and Roofs out of Layer 5, 6 and 7 and paste them in Layer 3. Now have a look at picture 35, 36 and 37 and see that your layers are the same.
Picture 35: The Walls Layer
Picture 36: The Doors Layer
Picture 37: The Roof and Floor Layer
Okay, now press “s” to save the progress we’ve made so far, and now it’s time for the Stairs.

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