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6. 3D Scanning and printing

Instruction

Group Assignment

Individual Assignment

  • Design and 3D print an object (small, few cm3, limited by printer time) that could not be easily made subtractively
  • 3D scan an object, try to prepare it for printing (and optionally print it)

What I did in Week5

  1. Test the 3D Printer : Angle, Overhang, Bridge, Wall-thickness, hole test → Group Assignment
  2. Design and 3D print an object → In this page
  3. 3D scan an object, try to prepare it for printing → In this page

What I want to print by 3D printer

is light bulb because it is the symbol of the invention and prototyping and ideation

lightbulb.png

image source

Design Light Bulb

Design by Fusion 360

  • Sketch and Extrude cylinder

1_cylinder.png

  • Create Sphere and join to cylinder

2_sphere.png

  • Fillet the circle between cylinder and sphere

3_fillet.png

  • create cylinder from the bottom

4_fillet.png

  • thread

5_Thread.png

  • chamfer the bottom edge to create bulb bottom

6_fillet.png

  • cut out a little bit smaller sphere from the sphere

7_spherecutting.png

  • create coil primitive to be firament inside the bulb

8_firament.png

  • create rectangular under the firament to support printing

9_firamentsupport.png

  • create a hole from the bottom to illuminate inside the bulb by LED or Light

10_cylindercut.png

  • conbine the whole body

11_conbine.png

  • project the ourline of the light bulb and sketch a groove between upper and lower by “revolve”

12_revolve.png

  • cut out the groove sketch

13_revolve.png

  • finish the design. It is difficult to shape in subtractive because of the filament inside the bulb.

14_done.png

  • export to Cura by “save as mesh”

15_export to cura.png

  • move on to Ultimaker Cura and adjust the setting

16_curasetting.png

  • check whether each mesh can print out from the bottom by “preview”

17_preview.png

3D Printing

[Printing Trial 1] :

The PLA we used : Jr.PLA XYZ print Clear Tangerine 600g

trial1_fira.jpeg

  • failed to print the object clearly because PLA was broken dring printing

movie

trial1.jpeg

[Printing Trial 2] : Change the different type of PLA

trial2_fira.jpeg

  • But, fail again to print the object the clearly

trial2.jpeg

[Printing trial 3] : Change the different PLA which was proven operational

trial3.jpeg

  • but in this case it came off the object during printing because the basement was too narrow and the adhesion was not enough.

trial3_2.jpeg

[Printing trial 4] : Set “Brim” at “build plate adhesion” in Cura and try again.

trial4_brim.png

  • But unfortunately, even “Brim” was not enough for the bottom to stick to the plate and fail to print.

trial4_brim_result.jpg

[Printing trial 5] : Set “Raft” at “build plate adhesion” in Cura and try again.

trial5_raft.png

  • Printing

movie

this shot is that the printed object is not “subtructive” evidence! :)

printing_process.jpg

  • done! Here is hero shots.

trial5_0.jpg

trial_all.jpeg

printed_lightbulb_in

  • Lighting!

Put LED into the printed light bulb to illuminate to the filament in the inside.

Try different LED colors

trial5_1.jpeg

trial5_2.jpeg

movie

3D scaning

Software I use

I decided to use iPhone 13 Pro as Lider (3D scanner) because it has the most reasonable and newest Lider sensor.

Trnio

https://www.trnio.com/

the object I choose

the lightbulb which I printed out in 3D printer JUST NOW

Scaning

scaning.jpg

the scanning data

IMG_04C083680550-1.jpeg

  • export to sketch fab and prepare for printing

https://skfb.ly/osSVs

What I learned in this week

group/individual assignment

  • This is the first time I’ve designed my own material and had it output on a 3D printer.
  • It turns out that a 3D printer does not necessarily output exactly what I design on my PC throughtout a variety of tests
  • We should understand various traits of the 3d printer we use and design the data to be able to output without problems
  • It’s very fun to watch the moment the bits on the computer turns into an atom in the real world.

file

lightbulb.f3d

lightbulb.stl

lightbulb.obj of 3d scanned data

Acknowledgement

Mr.Tamiya and Ms.Kamei as supportive instructors in Fablab Kannai

Product Design Online Youtube channel: How to 3D Model an LED Light Bulb - Learn Autodesk Fusion 360 in 30 Days: Day #9

and YOU!


Last update: July 9, 2022