Slats at the back, and the roof
Fix eight slats across the back, 1200 long, 100 high and 22 thick, 20 apart, the bottom one level with the floor. Then a roof of 18 mm plywood, 1200 × 700, tipped down 10° to 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 floor and both sides are there, locked.
You should see: The sides slope down to the back, ready for the slats and the roof.
RectangleR Click the bottom corner of the right side at the back, where it stands on the floor. Press ↑ so the rectangle lies flat, move left and away from you, and type
1200,22Enter. Push/PullP Click the thin rectangle, pull it up and type100Enter. SelectSpace Triple-click it, press G and name it Back slat.You should see: A slat across the back of both sides, its bottom level with the floor.
MoveM With the slat selected, tap Ctrl (Option on a Mac) to copy. Click its bottom corner on the right, move up, press ↑ to lock it to the blue axis and type
120Enter. Then typex7Enter.You should see: Eight slats, 120 apart: 100 for a slat and a gap of 20.
RectangleR Click the top corner of the left side, at the front. Press ↑ so the rectangle lies flat, move right and away from you, and type
1200,700Enter. Push/PullP Pull it up and type18Enter. SelectSpace Triple-click it, press G and name it Roof.You should see: A flat roof on the front of the sides, sticking out over the back.
RotateQ With the roof selected, click its bottom corner at the front 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 back on the right, move down and type
10Enter.You should see: The roof slopes down to the back, resting on the sides.
Press Check my work.
You should see: 9 of 9 right.
Keys and axes
Tools
- RRectangle
- PPush/Pull
- LLine
- 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. Bearers 50 × 75, floor boards 120 × 28, sides and roof from 18 mm exterior plywood, slats 100 × 22.
Back slat, 1st
1200 × 100 × 221200 long, 100 high, 22 thick.
Across the back of the sides, its bottom 103 up from the ground.
Back slat, 2nd
1200 × 100 × 221200 long, 100 high, 22 thick.
Across the back of the sides, its bottom 223 up from the ground.
Back slat, 3rd
1200 × 100 × 221200 long, 100 high, 22 thick.
Across the back of the sides, its bottom 343 up from the ground.
Back slat, 4th
1200 × 100 × 221200 long, 100 high, 22 thick.
Across the back of the sides, its bottom 463 up from the ground.
Back slat, 5th
1200 × 100 × 221200 long, 100 high, 22 thick.
Across the back of the sides, its bottom 583 up from the ground.
Back slat, 6th
1200 × 100 × 221200 long, 100 high, 22 thick.
Across the back of the sides, its bottom 703 up from the ground.
Back slat, 7th
1200 × 100 × 221200 long, 100 high, 22 thick.
Across the back of the sides, its bottom 823 up from the ground.
Back slat, 8th
1200 × 100 × 221200 long, 100 high, 22 thick.
Across the back of the sides, its bottom 943 up from the ground.
Roof
1200 × 700 × 181200 wide, 700 deep, 18 thick, tipped down 10° to the back.
On the sides, its front edge level with the top of their front edges.
Stuck?Show a hint
Eight slats and the gaps between them reach 940 up the back, leaving a gap under the roof for the air. Rotate turns the roof round the first point you click, like a hinge along its front 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