Extensible Stool

This stool is for TenkaizuBudokai 4ｔｈ (Stool contest at Hidakuma Akimatsuri 2015).
This extends to left and right by pulling.

How to make
1.3D print.
2.Cut MDF using a laser cutting machine.
3.Assemble all parts.

Material : PLA, MDF2.5mm 1820×910mm 2sheets.

Size : W85-500,H300,D300

[Data]
http://www.thingiverse.com/thing:1064270

[tools]
3D printer : Makerbot Replicator 5th
Laser cutting machine : Trotec speedy 300

[Software]
Rhinoceros, Grasshopper, Python, Illustrator

[Link]
Stool contest: https://www.facebook.com/TenkaizuBudokai
f.Labo: https://www.facebook.com/TenkaizuBudokai
Hidakuma Akimatsuri 2015: http://fabcafe.com/events/hidakumaakimatsuri2015