1. The Modular Multi-Surface Cleaner Members: Ho Zi Ming (2I1) Chen Mingkai (2A4) Ang Yi-Ian (2A4) Mervyn Ng (2A4) Members: Ho Zi Ming (2I1) Chen Mingkai (2A4) Ang Yi-Ian (2A4) Mervyn Ng (2A4) Group 3-31

2.  It is a hassle to have to change constantly between different cloths or wiping devices (dry, wet and soapy) when cleaning surfaces (windows, floors, furniture, cars, etc.) Problem

3.  Percentage of people who face this problem.  (Surveyed over 100 people) Needs Analysis

4.  To create a user-friendly, convenient and practical cleaning device to reduce the inconvenience faced by people who clean windows, floors, ceramic walls, cars, furniture etc. Aim

5. Our Product and Prototypes

6. Prototype 1 (Lego)

7. Wet ClothDry Cloth Clamp

8. How does it work? Wet Cloth Dry Cloth Wet area Dry, clean area  Dry cloth instantly dries surface behind wet cloth.

9. Prototype 2 (Wood)

11. Prototype 3 (3D-printed)

13. Wet Cloth Dry Cloth

14. Pros and Cons  Very effective in cleaning surfaces (tested with window)  Sturdy  Microfiber fiber picks up all dust  Parts stuck together by Blu-Tack  Hard to remove cloths for washing as it is clamped tightly  Difficulty in taking apart  Wet cloth runs out of water fast

15. Solve the problems!

16. Prototype 3.1  Printed extended clamp, replace wet cloth with absorbent sponge.  Velcro to attach pieces; easy taking apart and washing cloths.

17.  Safety rope tied onto window sill to prevent falling.

18.  Velcro to stick cloth to T- piece.

19. Prototype 3.2 The Final Product With Modular System

21.  Different materials can be attached onto the 2 T-pieces via Velcro to customize the device.  PVA Sponge (for wetting)  Dry microfiber (for drying)  Wet MagiClean (for sanitation – no drying required)  Dry MagiClean (for picking up dust) Customization of Cleaning Materials

22.  As the 2 T-pieces can be used interchangeably, this allows the user to decide the size of the materials. (Bigger dry area? Bigger wet area?)  Sponge requires no T- piece; uses extended clamp. Customization of Surface Areas

23. Combinations  Wet PVA Sponge and dry microfiber (for cleaning windows and cars)  Dry MagiClean and Wet MagiClean (for picking up dust and sanitizing on furniture)

24.  Dry MagiClean and Wet Sponge (for wiping ceramic walls in toilets/ kitchens) And many more! Customizable to your uses. Combinations

25. Specifications 14.5 cm 12 cm 6 cm

26. Specifications 4.5 cm 12 cm 7 cm

27. Demonstration (Please refer to the web-report for the demonstration video.)

28. Demonstration Of assembling, taking apart and customizing

29. Before and After BeforeAfter

30. BeforeAfter Before After

31.  3D-printed ABS Plastic  Velcro Strips  Cotton microfiber cloths  Wet MagiClean  Dry MagiClean  PVA Sponge Materials

32. How is our product better

33. Magnetic Double-sided Window Cleaner  Safety string prevents device from falling  Simultaneous drying/ wetting  Risk of outer side dropping off  Only one mode: dry/ wet

34. Magiclean Wiper  Easier to clean furniture with short handle  CAN be combined with sponge/ microfiber etc.  Long handle impractical for cleaning furniture  Can NOT be combined with other cleaning materials

35.  Attachable rod for cleaning outside of windows.  Space for a third cleaning material.  Strap for wrist (safety)  Sleeker design  Reduce height (hence weight) of the product Future Improvements

36. THANK YOU!