09 Modelling Drawers

The next thing we need to do is model a few basic drawers into this joinery unit.

We’ll use the same technique as we did for the doors by nesting a family . Go to file, new family.

Make sure the metric folder is used. Open the metric casework file.

Create a basic extrusion.

Lock it in. Go to the front elevation, right click, and select zoom to fit.

Align using the A-L shortcut. Go to 3-D. We’ll set up some basic parameters to flex this. Change the scale to 1 to 10.

Set the depth to 600, the height to 150, and the width to 600.

We have the basic shape of a drawer now.

We’ll use a different technique, a void tool, to cut out some space inside of this cube that we’ve created.

Create some reference planes through here. Type R-P for reference plane.

Give the reference planes some parameters, using the shortcut D-I for dimension.

Click on one of the dimensions, and name it drawer carcass.

Then, hold down control key, select all the dimension, and apply that label to all of them. In Family Types, set the drawer carcass parameter to 10 millimeters.

Actually, let’s make it thicker so it’s easier to trace. Set it to 30 millimeters, which will make it easier to create the void form.

Go to the create tab. Click void form, and choose void extrusion from the drop down menu. Select the rectangle tool, and trace out the center.

Lock this all in. Click the green check mark to approve the changes. Go to the Left elevation.

From here we can see the void shape, and it’s going to cut into this rectangle that we created. But we don’t want to cut all the way down. We need a little bit of a base for this drawer.

Create another reference plane. Insert a dimension, and label the parameter drawer carcass, as we did earlier. Align the two together.

Press the Escape key twice. The void form cuts into the drawer and creates the shape.

Make sure everything is aligned.

Let’s flex this. Set the value to 50 millimeters. Click Apply. It’s changing nicely.

Set the drawer carcass value to 10 millimeters. Click OK.

We need to make sure this void form is always cutting through this geometry. At the moment we would have a problem if the drawer was a really high.

As an example if I set the drawer height to 500 millimeters you can see that the void form has stopped cutting through the drawer. So we need to set up the geometry so that the void form always remains on top of the geometry and cuts it.

Create another reference plane. Place it above the drawer. Use the dimension tool.

Give it a dimension of 10 millimeters. This is simply a nominal dimension that’s sitting above this geometry.

Click on the dimension and lock it. Locking it tells Revit that wherever this reference plane is going, this locked reference plane is always 10 millimeters above it. It doesn’t matter what the height is, it always remains the same.

Select the void form by going down to the corner to click on it. Drag the void form down and lock it to the reference plane we just created.

The void form is now always locked to 10 millimeters above the drawer. Let’s flex this again. Set the height to 800 just to be sure.

The void form moved and it’s keeping that geometry locked in place. Go to file, save as family, and save it as a drawer family.

Go to options to make sure the backup is set to 1. Click OK and then click save.

Load this into our casework family project. We’ll continue in the next lesson.

09 Modelling Drawers

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