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01.04_ Polygon Practice
Unit 1: Introduction to 3D Design - Part 4 The Role of Polygons
Learning Objective: YWBAT create regular and irregular polygons
Essential Question: What distinguishes regular polygons from irregular polygons?
Classwork Part 1: Create 4 Regular Polygons and 4 Irregular Polygons.
Part 2: (becomes homework if unfinished):
With your assigned partner, research an industry that is adopting 3D printing and design.
Exit Quiz: Put away your notebooks and clear your desk of everything but a writing utensil.
Do Now: Last week, we learned 3 techniques for modeling objects in 3D - folding, slicing, and polygon meshes.
1. Identify which method used for each object below.
2. Describe the strengths and uses of each modeling technique (look back at last Thursday's notes).
What do you think we could do to make this model more realistic?
What is needed to drive all of these printers?
CAD software!!!
Powerful Polygons!
Industries Adopting 3D Printing
Because polygons are so important to modeling (they're a part of every technique we use!), we're going to get the know them a little better... by creating some!
We have two main types: Regular and Irregular
Research an industry that 3D modeling or 3D printing is rapidly changing (As an example, 3D Print Canal House representing a big change for the construction industry). After conducting your research, enter your findings into the Google Form that was just emailed to you.
Demo: Creating a Regular Polygon
Quick Intro to 3D Printers
Printing Methods!
Your task (20 min): On first worksheet, create 4 regular polygons.
Fused Deposition Modeling - Filament
Laser Sintering - Powder
- Filament is extruded through a nozzle onto a build surface one 2D layer (x & y axis) at a time.
- Third dimension is added to the model by movement in the z direction by either the extruder nozzle or the build surface.
- The filament can be made from a variety of materials.
- Professional and consumer grade models.
- A plate is placed within a powder bath. A laser fuses specific parts of the powder that is on the plate.
- The plate drops, a new layer of powder is spread over the fused cross-section and a new layer is fused atop the previous layer.
- Professional, industrial uses only.
1) Regular Hexagon
2) Regular Triangle
3) Regular Pentagon
4) Your choice!
Stereolithography - Liquid Resin
- A resin is poured into the printer and a plate is placed on top of the resin bath.
- An ultraviolet laser is directed into the bath and - one layer at a time - the model is built from the top down.
- Excellent detail, high resolution levels.
- Professional and consumer grade models available.
On the second worksheet, create 4 irregular polygons of your choice.
A.
B.
C.