1. Microscale Rapid Prototyping Microscale Rapid Prototyping Melissa Appel Eric Dávila Andrew Maclennan

2. Overview Review –Purpose –Modeling Problems Encountered Accomplishments Current Work –The Overhang! –New Materials Future Work Our Website Overview

3. Purpose To Discover More about Butterfly Wings by Modeling Their Scale Structures lower lamina ridges crossrib lamellae upper lamina ~0.5  m scale cross section –How they Trap Heat –How they Display Colors Purpose Purpo Purpose

4. Modeling Single Layer Structure –Spin out a Thin Layer of SU-8 on a Glass Slide –Cure a Pattern in the SU-8 Using UV Light –Develop the Slide to Wash Away Unexposed SU-8 Modeling

5. Encountered Problems Encountered Stage Movement Spin Coater FSC/SU-8 Interaction Align Cure Pattern Offset for UV Curing Multilayer Overhang Problems

6. Accomplishments Worked Around Stage Disadvantages New Spin Coater Experimented With Different Materials Second Light to Align Cure Pattern Optimized Offset for UV Curing Accomp Accomplishments

7. Work Current Current Work The Overhang! Current Y Z X Y Z 25  m X Z Tape FSC NOA81

8. Polish Nail Current Work New Materials –Polyurethane –Varnish –Nail Polish Nail Polish

9. Work Future Future Work Improve Stage Make Structures Smaller Experiment With New Materials Multilayer Overhang Future

10. Website Our Our Website Website