grating clay

wetting the clay

some of my fellow Engr 305 classmate sifting sand

mixing in the straw with Jeremy levitating

a cob burrito with straw soon to be cob balls

Amber making a sand layer on the tarp

the first mixing step with the best mixing tools around (Engr 305's) feet

two cob mixing tarps and a Engr 305 cob transporting chain

Spring 05 Engr 114 students from applying the first layer of cob to the bench

different layers (with different ratio) which were applied 

the semester before during the testing process

items can be inserted into the cob