### Step 3: Mark the Layout

The spacing between wall frames should be from 2¾ to 3½ inches, but the space above and below can be as much as 4 inches. Whatever spacing you choose, stick to it all around the room. The frames can change size, but the measurement above, below, and between them must remain consistent.

To determine the width of the frames for a particular wall, first measure the length of the wall. Add 1 to the number of frames that go on that wall and multiply by the spacing between frames. Subtract that sum from the length of the wall. Finally, divide by the number of frames going on the wall. The result is the outside width of each frame.

Tip: Use this formula to calculate frame sizes: wl – (s x (f + 1)) ÷ f = fw
Where wl is the wall length, s is the spacing between frames, f is the number of frames, and fw is the frame width. So, for example, a 60-inch wall with 3 frames on it set 3 inches apart would mean each frame is 16 inches wide: 60" – (3" x (3 + 1)) ÷ 3 = 16"

#### Shopping List

Molding Typically, base cap or panel molding works best for creating frames. Make sure to get 10 to 20 percent more than you think you'll need, to accommodate offcut waste.

Scrap Plywood and Wood Blocks to make a jig for building the frames