7
BAD DESIGN: PROPELLING PENCIL By Hao Sun

Bad Design: propelling pencil

  • Upload
    zody

  • View
    54

  • Download
    0

Embed Size (px)

DESCRIPTION

Bad Design: propelling pencil. By Hao Sun. Introduce the drawbacks of propelling pencils. Propelling pencil with eraser on the top 1.If we erase too hard when using the eraser, the pencil lead will be pushed out of the pencil. 2.Hard to put pencil lead into propelling pencils - PowerPoint PPT Presentation

Citation preview

Page 1: Bad Design: propelling pencil

BAD DESIGN: PROPELLING PENCIL

By Hao Sun

Page 2: Bad Design: propelling pencil

Introduce the drawbacks of propelling pencils• Propelling pencil with eraser on the top• 1.If we erase too hard when using the

eraser, the pencil lead will be pushed out of the pencil.

• 2.Hard to put pencil lead into propelling pencils

• (lead usually breaks)

Page 3: Bad Design: propelling pencil

agree indifferent012345678

# people

# people

Survey about these problems

Page 4: Bad Design: propelling pencil

SOLUTIONS TO DEAL WITH IT the lead is not advanced by pressing on the

eraser (However there are a group of people think

the button is uncomfortable during writing)

Page 5: Bad Design: propelling pencil

DETAILS ABOUT THE SECOND PROBLEM Hard to put the

lead into the hole The lead is too

long and easy to break.

Page 6: Bad Design: propelling pencil

SOLUTION DEALING WITH THE 2ND PROBLEM

Since the lead is not advanced by pressing the eraser, it’s ok to take it off.

Make the hole as the picture shows

Page 7: Bad Design: propelling pencil

REFERENCE FOR PICTURES

Slide number: 1.http://www.pixel-glam.com/viewtopic.php?t=5340 2.http://www.print-gifts.com/products/279/mechanical-pencil-

with-eraser/ 4.http://jhb518.com/list.asp?ProdId=0106079 5. http://www.pergamano.com/plaza/news.asp?news_id=365