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Day 4: Using CAD Software to Create 3D Chair Designs

7/5/2015

28 Comments

 
On Friday we embarked on Design Challenge #2 which challenged us to design a chair to meet a character's unique needs. Each group began to create five iterations of their chair using a variety of materials (Plasticine, Popsicle sticks, pipe cleaners, drawings, cardboard). The five characters are listed below along with some student work:

Grandpa

Grandpa is an elderly man who is achy and sometimes a bit grouchy. He has trouble getting around, so he walks with a cane. He also has difficulty getting into and out of his chair. He sits in his chair most of the day.
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Ralph

Ralph is a high schooler who spends 8 hours a day in class. Most of the time, Ralph has to sit in uncomfortable chairs, sitting up and facing the front of the room. When Ralph moves between classes, he carries a large backpack. When he gets to class he needs a place to put his things.
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Maggie

Maggie is a 1 year old who loves to play and crawl around everywhere. Maggie likes to explore on her own and be independent while she sucks on her binky. When it’s time for her to sit still she gets whiny and squirmy. 
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Neil

Neil is an astronaut who travels to space. When he is in his space ship, he is in a weightless environment. This is cool most of the time, but it is a challenge when he needs to sit down and drink his Tang. Neil also has a bulky space suit that often gets in the way.
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Lisa

Lisa is a marathon runner who runs every single day. She hates being stationary, and because she exercises so much she has really sore muscles. When she finally does sit down it’s really important that her chair be very comfortable to help her relax and recover for her run the next day.
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Reflecting on Our Work


1. What are some things that groups did well in regards to communicating their thinking?

2. What are some things that groups can improve upon in regards to communicating their thinking?


Today's Learning Goal: 

To learn how to use TinkerCAD to create a 3D representation of my group's chair design. 

During the Plan and Create phase, we constructed several different iterations of our char. Some materials were easier to work with than others. Some did a better job of allowing us to express in detail what we wanted our respective chairs to look like. Taking our iterations digital using a CAD program will allow us to create a digital 3D representation of our chair that can be saved, edited, shared, and 3D printed. 

What does "CAD" mean?

"CAD" is an acronym for computer-aided design. A CAD system is a combination of hardware and software that enables engineers and architects to design everything from furniture to airplanes.

Creating an Account and Logging in:

1. Go to https://www.tinkercad.com/ and click Sign Up

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2. Enter your country and a birth date. 
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3. When asked for email, use your TDSB email address (firstname.lastname@student.tdsb.on.ca).  Set your password as something you will remember or write it down on your name tag as I have no way of recovering forgotten passwords.
4. Once you've registered and verified your email, click Sign In and go to Create Project. 
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"Tinker" around until you have something cool!
28 Comments
nathnaiel
7/5/2015 11:03:33 pm

I love Merlyn and Aleya's chair. is seem like a really good fit for Liza.

Reply
aleya
7/5/2015 11:05:58 pm

hi

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Jalen
7/5/2015 11:14:00 pm

Lisa*

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Aleya
7/5/2015 11:14:11 pm

Thanks. Your chair is really nice too

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nathnaiel
7/5/2015 11:15:32 pm

your welcome

Merlyn
7/5/2015 11:28:18 pm

Thanks, I also liked your group's idea of adding wheels

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Aleya Harricharran
7/5/2015 11:05:11 pm

These chairs are really amazing! -Aleya

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Sana
7/5/2015 11:10:13 pm

Maalik's group you guys should imrove on your pipe cleaners chair.

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Maalik
7/5/2015 11:28:51 pm

*Improve

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Showmiha and Haadia's Comment link
7/5/2015 11:13:23 pm

Rhea and Sharmini created 5 versions of their chair for Ralph, they had good idea for the chair but they could have explained Ralph's needs more.

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Merlyn link
7/5/2015 11:14:50 pm

I liked how most of the groups drew detailed diagrams of their chair

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Maryam
7/5/2015 11:39:41 pm

I like the diagrams too, but I think some of the diagrams should be much more clear so the reader can easily follow along. Also some of the charts aren't that organized. Therefore if they were written neatly and organized then I believe they would be very well structured and the reader will be able to understand the chart without difficulty.

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nathaniel
7/5/2015 11:14:58 pm

i love Jalens groups chair

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Malachi
7/5/2015 11:15:07 pm

Sana's group should try to improve their cardboard version.

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Ajikash link
7/5/2015 11:16:14 pm

Good job to all groups

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Krishna & Ashley & Shawmia link
7/5/2015 11:16:22 pm

Everyone's charts were well organized. In specific, there was one groups' chart that stood out, which was Merilyn and Aleya's. Merilyn and Aleya's chair was well organized and neatly done. Well done! :)
- Krishna,Ashley, & Shawmia

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Merlyn
7/5/2015 11:42:09 pm

thanks

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Jalen
7/5/2015 11:17:07 pm

Ajikash,Eric,Maalik you guys should improve on you pipe cleaner skills . You should work on making a better chair with pipe cleaners.

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Taranpal
7/5/2015 11:23:10 pm

Sanjeev' s group need to improve there cardboard chair

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TERRON
7/5/2015 11:25:08 pm

Maalik's group need to work on your pipe cleaners chair but you did a good job on your other chair

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Aleya
7/5/2015 11:25:30 pm

Grandpa's cardboard chair has no where to sit. Its hard to tell where grandpa sits.

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Ajikash link
7/5/2015 11:27:12 pm

To Jalen's group you guys have to improve on your organization skills an making your chair bigger and stronger


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Sana
7/5/2015 11:27:52 pm

Maalik's group again you guys should make your clay chair more bigger

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Malachi
7/5/2015 11:28:03 pm

I like grandpas clay version of the chair because it look the most like the ones that you drew on the people.

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nathaniel
7/5/2015 11:31:28 pm

I think Jalen's chair has a lot of details which is really nice

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nathaniel
7/5/2015 11:33:17 pm

Maalik needs to work on his pipe cleaner chair

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Sharmini and Rhea
7/5/2015 11:42:48 pm

We liked how Haadia's group (Grandpa) successfully completed the 5 iterations in the time alloted, although they could have improved on their popsicle chair by adding more popsicles and making more stable.

Reply
thushshan and sancheev and sanjeev
7/5/2015 11:46:23 pm

sanas group needs to work on thier cardboard chair

Reply



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    Welcome to Summer School!

    Join us on our journey as we explore the links between Science, Technology, Engineering and Mathematics.


    Pro Salaries and Unit Rates

    It is clear that professional athletes are well-paid. Anyone who has been following the recent free agent frenzy in the NBA, or the transfer window in soccer, is aware of the enormous sums of money top players earn. In comparison to other professions, these salaries can seem pretty ridiculous. 

    Math Connection: Unit Rates


    A Unit Rate is the ratio of two measurements in which the second term is 1.  
    e.g., beats per minute, dollars per hour, kilometres per hour, 0.99/lb, $4.54/kg. 

    If Krishna earns $180 in 20 hours, then unit rate of her earning is given as 180/20 = $9 per hour.


    Learning Goal: We are learning to use unit rates to determine how much a professional athlete makes yearly, monthly, bi-weekly, weekly, per day, and per hour on average.


    1. Choose a professional athlete to examine. Ensure that you can find information about that person's current salary before deciding on them. Click a link in the list below. Search for your athlete. Find their salary. 

    Basketball Reference
    WhoScored.com (Soccer) 
    Pro Football Reference
    Hockey Reference
    Baseball Reference


    2. Use your knowledge of unit rates to determine how much your professional athlete makes yearly, monthly, bi-weekly, weekly, per day, and per hour on average.

    3. Display your data in an attractive visual format to be shared on this website. You may use markers and chart paper (we'll take a picture of it) or create a document that can be shared digitally. Show all work!



    Success Criteria for Visual Display


    I will be successful if:
    -My work is labeled (a subheading for each different calculation, each unit is labeled)
     

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