This course will examine the 3D printing ecosystem, demonstrate how 3D printers operate, and show what can be made using them. Additionally, it will debate how 3D printing will change the world and explore its potential. The study materials for the course include instructive video lectures, on-site interviews with a range of 3D printing authorities, and fun hands-on activities.
After completing this introductory course, students will be able to print and modify 3D designs and have a thorough understanding of 3D printing and its revolutionary potential.
Week 01: The 3D Printing Revolution Coursera Quiz Answers
Quiz 01 : Orientation Quiz
Q1. This course includes ___ modules.
- 2
- 3
- 4
- 5
Q2. Which of the following is NOT a learning approach that we will use in this course?
- biweekly meetings with your instructor
- video lectures
- hands-on exercises
- readings
Q3. An overview of 3D Printing is covered in which module of this course?
- Module 1
- Module 2
- Orientation Module
- This topic is not being introduced.
Q4. Which one of the following is NOT one of the key lessons that you will learn in this course?
- We will have the power to turn ideas to objects with the application of 3D printing.
- 3D printing is a revolutionary element to our economy and how we live.
- 3D printing is a technology that can be used by nearly anyone.
- The divide between the physical and the digital is clear in 3D printing.
Q5. If I have a problem in the course I should:
- email the instructor
- call the instructor
- drop the class
- report it to the Learner Help Center (if the problem is technical) or to the Course Suggestions forum (if the problem is an error in the course materials)
Quiz 02 : Module 1 Practice Quiz
Q1. What happened a few years ago that helped a number of new firms enter the 3D printing industry?
- The patents for several types of 3D printing technologies started to expire.
- The price of 3D printing materials dropped rapidly.
- A new 3D printing technique was discovered.
- 3D printing became further widespread because of the establishment of a 3D printing university.
Q2. Which adjective describes what 3D printing’s manufacturing process is like?
- multiplied
- subtractive
- exponential
- additive
Q3. Considering the current costs of 3D printers, which of the following 3D printing technologies is most expensive?
- SLA
- SLS
- FDM
- They all have high costs.
Q4. At which website can you download design files for free?
- Thingiverse
- Fusion
- TinkerCad
- MakerBot
Q5. Using the 3D printing typology, “solutions” can be described as:
- component and existing
- component and new
- stand alone and new
- stand alone and existing
Quiz 03 : Module 1 Quiz
Q1. In the development of 3D printing, which of the following contributions did Chuck Hull make?
- Founded a 3D Printing company.
- All of the above.
- Invented 3D Printing.
- Created the dominant file format (stl file) for 3D printing.
Q2. Which of the following 3D printing technologies is most common at the desktop level?
- SLA
- SLS
- FDM
- EDM
Q3. What is one of the limitations of both ABS and PLA?
- stiffness
- lack of durability
- softness
- lack of color choice
Q4. Which of the following is NOT a way to obtain digital design files for 3D printing?
- downloading
- modeling
- imitating
- scanning
Q5. Where might you be able to find 3D printers to help you with your work?
- local public library
- hackerspaces
- universities
- all of the above;
Q6. Currently, with the use of 3D printing, many firms are not only __________ objects, but also __________ them.
- inventing; restructuring
- remote sensing; manufacturing
- remote sensing; inventing
- prototyping; manufacturing
Q7. For the Thingiverse typology below, which of the following choices belong in the oval?
<image: https://d3c33hcgiwev3.cloudfront.net/imageAssetProxy.v1/su7qLeJJEeWuUgrcWIxPhQ_617a4811e6645c71856aba51ab26cb15_Tyingiverse-Typology-graph.JPG?expiry=1664323200000&hmac=G9PfkqdGTtrWIziFUXje3XlRjwFaatoW-Jmdb8znrDk>
- creations
- replacements
- substitutes
- solutions
Q8. Fused deposition modeling (FDM) is a specific form of which of the following types of 3D printing processes?
- material extrusion
- binder jetting
- material jetting
- none of the above
Q9. According to Chris Meyer, what is one of the disadvantages of 3D printing?
- 3D printers are very expensive.
- 3D printers can’t make customized objects.
- 3D printers produce objects more slowly than conventional manufacturing tools.
- all of the above
Q10. According to Aaron Roy, 3D printers lack which of the following?
- a well-developed operating system
- the ability to print in multiple colors
- the ability to print metal objects
- software capable of creating advanced 3D designs;
Week 02: The 3D Printing Revolution Coursera Quiz Answers
Quiz 01 :Module 2 Practice Quiz
Q1. Which of the following characteristics of 3D printing does NOT demonstrate sustainability?
- Objects can be customized to your needs.
- It produces little material waste.
- It uses up less material.
- The material costs are low.
Q2. How does 3D printing help small startups compete with large corporations?
- Small startups can use 3D printing to massively produce anything they want.
- 3D printing has lower per unit production costs.
- Small startups can attract large amounts of investment by using 3D printing.
- 3D printing eliminates the advantages of economies of scale.
Q3. How does 3D printing change the role of consumers?
- It makes consumers more cost conscious.
- It turns consumers into creators.
- It does not change the role of consumers.
- It turn consumers into skeptics.
Q4. Which of the following is NOT important for someone interested in making their own objects with a 3D printer?
- an idea
- access to a 3D printer
- some knowledge of a 3D design software program
- a skilled researcher on 3D printing
Q5. When did the 3D printing industry begin to explode?
1 point
- 2001
- 2004
- 2009
- 2013
Quiz 02 : Module 2 Quiz
Q1. Which of the following are special features of 3D printing? Select all answers that are true.
- scale over scope
- digitization
- self-assembly
- sustainability
Q2. In contrast to traditional manufacturing techniques, one advantage of 3D printing is that __________.
- objects can be produced faster
- objects do not need any form of post-production assembly
- objects are built in sensors
- none of the above
Q3. The 3D printing revolution is similar to the digital music revolution in which of the following ways?
- Objects can be delivered electronically on your desktop.
- Objects can be downloaded rather than physically shipped.
- Objects can be easily modified and remixed.
- All of the above
Q4. As discussed in the video lectures, 3D printing technology has the potential to lead to which of the following? Select the TWO answers that are correct.
- Objects are downloadable and deliverable.
- Supply chains will grow larger.
- Customers are now creators.
- Large companies will have an increased impact.
Q5. In the future, which of the following objects may be 3D printed?
- batteries
- digital devices
- conductive ink
- all of the above;
Q6. Which project is Google currently working on?
- Soli
- Maker’s Marks
- Both Soli and Maker’s Marks
- Neither Soli or Maker’s Marks
Q7. Which of the following objects was 3D printed on the International Space Station?
- whistle
- bottle opener
- wrench
- space helmet
Q8. 3D printing can reduce manufacturing costs by:
- enhancing economies of scale
- reducing the costs of prototyping
- reducing the amount of human labor required to make an object
- none of the above
Q9. Normal uses 3D printing to make customized:
- dental braces
- earbuds
- prosthetics
- smartphone cases
Q10. According to Hod Lipson, 3D printing is currently:
- using pixels
- an analog technology
- a digital technology
- using voxels
Review:
Based on our knowledge, we urge you to enroll in this course so you can pick up new skills from specialists. It will be worthwhile, we trust.