The roof, at 15°
Put the roof on: a board 200 × 150, 15 thick, tipped down 15° at the front so the rain runs off. It turns on its back edge, on the top of the sides, tight against the back.
Do it here
The model is on the left, the steps on the right. Do each step in the model: it ticks itself when it's done. Then press Check my work.
Follows the model you're drawing: each step ticks itself once it's done.
Press Set up the model. The whole box is there but its roof.
You should see: The sides slope down to the front, ready for the roof.
RectangleR Click the top corner of the left side, at the back. Press ↑ so the rectangle lies flat, move right and towards the front, and type
150,200Enter. Push/PullP Pull it up and type15Enter. SelectSpace Triple-click it, press G and name it Roof.You should see: A flat roof, sticking out over the front.
RotateQ With the roof selected, click its bottom corner at the back on the right, where it sits on the side. Press → so it turns round the red axis. Click the roof's bottom corner at the front on the right, move down and type
15Enter.You should see: The roof slopes down onto the sides.
Press Check my work.
You should see: 1 of 1 right.
Keys and axes
Tools
- RRectangle
- PPush/Pull
- LLine
- CCircle
- MMove
- QRotate
- SpaceSelect
- GMake Component (select the board first)
Axes: an arrow key locks the way you're drawing or moving
- →red axisleft and right: the width
- ←green axisfront and back: the depth
- ↑blue axisup and down: the height
- ShiftAlready moving along an axis? Hold Shift and it stays on it.
- CtrlWith Move: makes a copy (Option on a Mac)
- EscCancels what you're doing
Sizes: just type, they go in the Measurements box at the bottom right, then Enter. Two sizes: 1000,600 (1000;600 if your computer writes decimals with a comma).
On a tablet or phone: press Full screen, tap to click, drag one finger to move the pointer while you draw (or to turn the view), pinch with two fingers to zoom, and type sizes on the keypad under the model (its red, green and blue keys lock an axis, as the arrow keys do). A mouse and keyboard is quicker.
Where it goes
The boards
Every size in millimetres, from one plank 150 wide and 15 thick.
Roof
200 × 150 × 15200 long, 150 wide, 15 thick, tipped down 15° at the front.
On the sides, its back edge tight against the back.
Stuck?Show a hint
Rotate turns what's selected round the first point you click, starting from the second. The arrow key sets what it turns round: → is the red axis, like a hinge along the back edge.
What Check my work looks at
- Every board's size, to 1 mm
- Where each board is, to 1 mm
- Which way each board is turned
- That each board is its own component
- That nothing is left loose