unl-digifab

Week 5 - Intro to 3D Printing

Tuesday

Thursday

Tuesday

• Critique

Thursday

• Introduction to 3D Printing
  • Importing Models
  • Prepping for 3DP
  • Slicing for 3DP
• Intro to the 3d Printer
• Homework

Importing Models

• Create a new file in Rhino and import a 3d scan
  • bunny.ply (3MB)
• Find the bunny and scale to an appropriate size.
  • Locate (Zoom eXtents), Rotate, Scale
  • Simplify Mesh (MeshReduce) if necessary

Prepping for 3DP

• Add a base
• Add a label (text objects as solids)
• Is it a closed object?
  • Mesh -> Repair Tools -> Fill All Holes
• Save as STL
  • File -> Export -> select STL file (Stereolithography). Answer yes to most questions.

Example

Rhino file: ../examples/venus_sculpture.3dm

Slicing for 3DP

• Download Prusa Slicer
  • We have the Prusa MK3S+
• Load your STL file from the previous steps.
• Check scale, positioning.
• Select print parameters.
  • Material. Slicing. Support.
• See the complete First Print with Prusa Slicer article from Prusa: https://help.prusa3d.com/article/first-print-with-prusaslicer_1753

Homework

Venus of Willendorf (25000bce) stl file from Scan the World on myminifactory

Description

You are going to combine a 3d scanned object with a base and text to make a small trophy (< 3” x 3” x 3”). Try to come up with some interesting combination between text, object, and base.

1. Find a 3d model you want to work with. See references below. It does not have to be a historical artifact.
2. Import your scanned object into Rhino.
3. Create an extruded base
4. Add Text.
5. Slice this model for the Prusa MK3S+, PLA filament.
6. Finally you will 3d print this model.

Submission

• Add documentation of this (screenshots of rhino, screenshot of the slicer, and photo of your printed object) to your digital sketchbook.
• Submit a pdf of these pages from the digital sketchbook to Canvas. DUE: Friday 9/30, 11:59pm.

Office Hours

Wednesday 3-5pm or by appointment.

Reference

• Prusa has great Tutorials.
  • First Print with Prusa Slicer https://help.prusa3d.com/article/first-print-with-prusaslicer_1753

Places to get 3d models

• https://www.printables.com/
• https://www.myminifactory.com/
• https://www.thingiverse.com/
• Search for .STL files on google. If you find a good source, share it with me.

Meshmixer

• Download Meshmixer
• Hacking things together with meshmixer.
• Exporting for 3DP (.STL)