Selected concept and exploded view

3 concepts

Thumb Nail Sketchs

Materials Study

The post approriate material to use for a light weight chair is the one with the highest volume but least weight, buy dividing the materials Volume by its Weight. The larger the resulting number the more appropriate the material is to use.

                                                               volume % weight

Vinidex MDT Electrical Conduct     
250346.25 % 100 = 2503.4625

Holeman PVCU
1016543.22 % 320 = 3176.698

Merchant Grade Pine 10
1338750 % 730 = 1833.9

Cedar
410760 % 150 = 2738.4

Kiln dried Victorian Ash
1836000 % 1200 = 1530

Holman Industries PVC 20
490875 % 200 = 2454.38

                                        Ranked Materials
                           Holeman PVCU -  3176.698
                                            Cedar -  2738.4
Vinidex MDT Electrical Conduct -  2503.4625
                        Holman Industries -  2454.38
              Merchant Grade Pine 10 - 1833.9
             Kiln Dried Victorian Ash -  1530