Phase II Design Effort SHAWL CHAIR  Add Seamstress  Iterate Design  Create One-Off Prototypes  Preliminary Ergonomic Testing CYCLE Create Prototype Design Package Photos Patterns Materials Short-Run Production ( 5 to 10 units) Field Testing Presentation for CRADA CYCLE Rework Existing Prototypes for lab testing  Test current hardware  Iterate Design / CAD / Drawings  Create One-Off Prototypes  Preliminary Ergonomic Testing Create Prototype Design Package CAD Shop work Assembly Short-Run Production ( 5 to 10 units) Field Testing Presentation for CRADA

SHAWL DETAIL Who: 2-FTE, 1-Seamstress Iteration to design package Several prototypes Test results to Iteration CAD models & Drawings Production package CAD models & Drawings Exemplar Shop Visits Short-run production Lab Testing Lab / Equipment set-up Train crew Perform testing Reduce results Cycles through iteration. Field Testing Perform testing Reduce results Presentation Documentation Slide show FTE (WEEKS) 4 4 2? 1 4

CHAIR DETAIL Who: 3-FTE Engineering Models Several prototypes Test results to Iteration CAD models & Drawings Analysis / Animations Shop work & Assembly Production package CAD models & Drawings Exemplar Shop Visits Short-run production Lab Testing Lab / Equipment set-up Train crew Perform testing Reduce results Cycles through Engineering Models Field Testing Perform testing Reduce results Presentation Documentation Slide show FTE (WEEKS) ? 4 Improve existing prototypes Misc. tweaks and improvements Add roller bearings Address safety issues Set-up in lab environment 2 Shop work & Assembly