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5. 3D Scanning and Printing

It's time to learn how to scan and print in 3D.


Group assignment

We've printed several design rules to test our 3D printers.

Our Fab Lab's 3D printers

Ultimaker S5

Picture of the Ultimaker S5 3D printer in the Fab Lab of Charleroi
  • 330 x 240 x 300 mm build volume
  • Composite-ready dual extrusion
  • Award-winning touchscreen UI
  • Click and print with 280+ materials

Creality CR-10S5

Picture of the Creality CR10 3D printer in the Fab Lab of Charleroi
  • FDM fused deposition molding
  • print volume of 480 x 480 x 490mm
  • Maximum hot end temperature less or equal to 260°C
  • Heated print platform max temperature less or equal to 60°C
  • Bed leveling: CR Touch Leveling
  • Filament diameter: 1.75 mm
  • Industrial-grade Circuit Board

Creality Ender-5 Plus

Picture of the Creality Ender 5 Plus 3D printers in the Fab Lab of Charleroi
  • FDM fused deposition molding
  • print volume of 350 x 350 x 400mm
  • Maximum hot end temperature less or equal to 260°C
  • Print platform max temperature less or equal to 110°C
  • Printing material : PLA, ABS, Soft glue, Wooden, Copper containing, Gradient, etc.
  • Filament diameter: 1.75 mm

How to prepare the 3D printer

We've learned to turn on the machine, to place the filament and to add the file with SD card (for the Creality printers) or directly with wifi (for the Ultimaker).

Picture of the clearance test piece that failed at printing in the Ultimaker machine Picture of the clearance test piece that failed at printing in the Ultimaker machine Picture of the clearance test piece that failed at printing in the Ultimaker machine

Software

As 3D print software we use Cura.

Clearance test on the Ultimaker S5

The first attempt without supports failed.

  • Printing material : PETG
  • Filament temperature : 205°C
  • Plate temperature : 60°C
  • Print speed : 80mm/sec
  • Infill : 10%
  • Layer height : 0.4mm
  • Plate adhesion : skirt
Picture of the clearance test piece that failed at printing in the Ultimaker machine

We added the supports.

Picture of the clearance test file with supports on Cura software

The second attempt was a success but printing in PETG made the cleaning hard and the final result is kind of messy.

Picture of the clearance test piece finished in the Ultimaker machine Picture of the clearance test piece after clearing the supports

Angle test on Ender-5 Plus

We've pritned the angle test on one of our Ender-5 Plus and everything went well.

  • Printing material : PLA
  • Filament temperature : 205°C
  • Plate temperature : 60°C
  • Print speed : 80mm/sec
  • Infill : 10%
  • Layer height : 0.4mm
Picture of the angle test object being printed Picture of the angle test object being printed

Bridging on Ender-5 Plus

The bridging test printing went also well.

  • Filament temperature : 205°C
  • Plate temperature : 60°C
  • Print speed : 80mm/sec
  • Infill : 10%
  • Layer height : 0.4mm
Bridging test object being printed Bridging test object printed

Dimensions on Ender CR-10

The dimensions test went well too.

  • Filament temperature : 205°C
  • Plate temperature : 60°C
  • Print speed : 80mm/sec
  • Infill : 10%
  • Layer height : 0.4mm
...

Anisotropy

...

This piece was the smallest but the trickiest...

First, we didn't get the base layer to stick on the heated board with a 50°C plate temperature so we pushed it to 60°C and added a raft.

...

It sticked to the plate but was horrible...

...

As the print still wasn't right we lowed the speed from 70mm/sec to 50mm/sec.

... ...

As the print was worse and even broke, we checked again the parameters and discovered that the problem came from the travel as the retraction was on, which shouldn't in this case.

And so we finally got our piece correctly ! Yay !

...

Individual assignment

3D scan

The 3D scan part was a real adventure !

In the Fab Lab we have an Einscan Pro scanner running with the Shining 3D program.

Our computer being under repair, we had to get another one for this week.

The first problem was the software that wouldn't run on it. Solution = download an older version.

Then we tried to calibrate the scanner by following the program's videos.

... ...

After at least 15 attempts in several places (with and without light in the room) it finally succeeded !

... ... ... ...

But then, the first piece we tried to scan (this cute DIYed Minion plush) didn't went well because it was too cylindrical and had some black pieces...

... ...

The second piece was too complexe and so closing the object was hard.

...

We finally did the scan on a 3D printed owl and it was better.

... ...

we could work on all the steps to get the piece finished and have the seperated files.

... ... ... ...

Non substractive 3D design and print

For the non substractive object, I designed a "cat toy" ball : a "voronoid type" sphere with a plain ball inside.

I designed it in Fusion 360 by following this quick tutorial on Youtube

. ...

I first sketched and extrude 2 spheres.

...

Then I designed the "voronoid" aspect on the biggest one.

We printed it on the Ender-5 Plus and added a raft and some tree support.

...

The print is ok but not perfect and it was hard to take away the supports.

...

My journey

...

Files and resources

My files

  • Voronoid Sphere Design

Resources

  • Ultimaker website
  • Creality website
  • Einscan Pro scanner
  • Shining 3D program
  • Quick Fusion 360 voronoid type sphere tutorial on Youtube
  • Our group page

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  • Week per week
    • 1. Project Management
    • 2. Computer Aided Design
    • 3. Computer Controlled Cutting
    • 4. Electronics Production
    • 5. 3D Scanning And Printing
    • 6. Embedded Programming
    • 7. Computer Controlled Machining
    • 8. Electronics Design
    • 9. Molding And Casting
    • 10. Output Devices
    • 11. Mechanical Design And Machine Design
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    • 13. Networking And Communications
    • 14. Interface And Application Programming
    • 15. Wildcard Week
    • 16. Applications And Implications
    • 17. Invention, Intellectual Property And Income
    • 18. Project Development
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