Week 3: Lamp Shade

by jas0126 in Workshop > 3D Printing

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Week 3: Lamp Shade

Lampshade_final.jpg

Used 'surface from points' and 'revolution of a profile curve' to design a lamp shade in Grasshopper.

Test Part

20200421_104737.jpg

Measured the diameter of the existing light fixture base and created a test part for a lamp shade.

Surface From Points

revised_meshboolean.png
revised_grasshopper.png

Modified 'lamp.gh' from the class to represent a surface from points.

Design Criteria:
1) Make a surface which covers the light bulb.
2) Needs to have holes on top and the bottom.

I initially aimed for the pulsing sphere on the website below.

https://catlikecoding.com/unity/tutorials/basics/m...

While I was playing with different parameters, I found the variation of the pulsing shape most interesting. (It looks like a tulip.)
Had to pull the sphere apart to create a hole on top.

Boolean Operation

Revised_boolean.png

Performed a Boolean operation between the shade and the test part.

It took a while to figure out which forms are possible to merge together.

Learned that Boolean Union doesn't work for some surfaces if:

1. There are naked edges.

2. Forms don't have intersections.

Printing..

revised_cura.png
Create a lamp shade (Comp Fab Week 3)

The estimated time for the updated model is approximately 1day 4 hours.