| title | author |
|---|---|
Making a Chair |
Caleb Hsu |
Objective: Make a chair with adjustable length and leg height.
Start by making the seat of the chair. We can add parameters after we have determined our dimensions.
<craft>
<cube size="15 15 2"></cube>
</craft>
Next, make the back of the seat by spacing two supports with <col>. To make the rounded back, <stack> and a <cylinde>r over a sized <cube>, then combine with the supports using <stack>.
<craft>
<stack spacing="-13">
<stack spacing="-4">
<cylinder height="1" radius="6" transform="
rotateY(90)
"></cylinder>
<cube size="1 11 7.5"></cube>
</stack>
<col spacing="11">
<repeat n="2">
<cube size="2 2 15"></cube>
</repeat>
</col>
</stack>
</craft>
Finally, make the legs by using <col> and <repeat> on a group <g> of two legs and a horizontal support. Consider how spacing and size affect their relation to the width and length of the seat.
<craft>
<col spacing="11">
<repeat n="2">
<g layout="lineupX() alignZ(20%)">
<cube size="2 2 14"></cube>
<cube size="11 1.5 1.5"></cube>
<cube size="2 2 14"></cube>
</group>
</repeat>
</col>
</craft>
Group and layout the legs, seat, and back together, using the align, lineup and center functions.
<craft>
<g layout="alignX(0%) lineupZ(0) centerY()">
<stack>
<cube size="15 15 2"></cube>
<col spacing="11">
<repeat n="2">
<g layout="lineupX() alignZ(20%)">
<cube size="2 2 14"></cube>
<cube size="11 1.5 1.5"></cube>
<cube size="2 2 14"></cube>
</group>
</repeat>
</col>
</stack>
<stack spacing="-13">
<stack spacing="-4">
<cylinder height="1" radius="6" transform="
rotateY(90)
"></cylinder>
<cube size="1 11 7.5"></cube>
</stack>
<col spacing="11">
<repeat n="2">
<cube size="2 2 15"></cube>
</repeat>
</col>
</stack>
</g>
</craft>
Now that we've finalized our dimensions, parameterize seat length and leg height.
<craft name="chair">
<parameter name="length" type="int" default="15"/>
<parameter name="legHeight" type="int" default="14"/>
<stack layout="alignX(0%)" color="peru">
<stack spacing="-13">
<stack spacing="-4">
<cylinder height="1" radius="6"
transform="rotateY(90)
"></cylinder>
<cube size="1 11 7.5"></cube>
</stack>
<col spacing="11">
<repeat n="2">
<cube size="2 2 15"></cube>
</repeat>
</col>
</stack>
<stack>
<cube size="{{length}} 15 2"></cube>
<col spacing="11">
<repeat n="2">
<row layout="alignZ(20%)">
<cube size="2 2 {{legHeight}}"></cube>
<cube size="{{length - 4}} 1.5 1.5"></cube>
<cube size="2 2 {{legHeight}}"></cube>
</row>
</repeat>
</col>
</stack>
</stack>
</craft>