Sides cut to a slope
Stand a side on the floor, 150 deep and 235 high, then cut its top to a slope, 40 lower at the front, so the roof sheds the rain. Copy it for the other side.
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 the back are there, locked so they can't move.
You should see: The floor and the back on the bench.
RectangleR On top of the floor, click its front corner on the left. Move right and away from you, and type
15,150Enter. Push/PullP Pull it up and type235Enter.You should see: A thin block on the left edge of the floor, against the back.
LineL On the inside face of the block, click its top corner at the front. Move down, press ↑ to lock it to the blue axis and type
40Enter. Then click the top corner at the back, and click where you started.You should see: A thin triangle at the top of the block: the piece to cut away.
Push/PullP Click the triangle, push it into the block and type
15Enter: it goes right through, and the triangle is gone. SelectSpace Triple-click the side, press G and name it Side.You should see: The side, 235 high at the back and 195 at the front.
MoveM With the side selected, tap Ctrl (Option on a Mac) to copy. Click its bottom corner at the front, move right, press → to lock it to the red axis and type
135Enter.You should see: Two sides, 150 apart on the outside: 150 − 15 = 135.
Press Check my work.
You should see: 2 of 2 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.
Left side
235 × 150 × 15150 deep, 235 high at the back and 195 at the front, 15 thick.
On the floor at the left end, against the back.
Right side
235 × 150 × 15The same as the left side: 235 at the back, 195 at the front.
On the floor at the right end, against the back.
Stuck?Show a hint
The sides stand on the floor, so they're 250 − 15 = 235 high at the back. The top drops 40 over the 150 depth: about 15°, the roof's slope. A line across a face splits it, and pushing one piece right through the board cuts it away.
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