Solids: A Math Project
Using shells and washers (thanks, Calc BC), I designed a multi-material solid utilizing a parametric equation, plexiglass, plywood, and a carbon fiber rod. Just a small project to help me get used to my school's laser cutter and practice some 2D design.
Played around in Desmos and I landed on a parametric sin equation that I thought was pretty cool:
(sin(2t), sin(5t))
Step 1: Graph
I imported the graph into Fusion 360 and used it as a template to trace splines which gave me the radius of the solid.
Step 2: CAD Sketch
Here I decided to split my model into two separate component. A wood interior surrounded by an plexiglass outer.
Step 3: CAD Model
Apparently my school’s laser cutter doesn’t support SVG exports through Fusion 360 so I had to redraw all my sketches in Adobe Illustrator and turn it into a DXF file. While I was at it, I added some centering lines (blue) and a 5mm hole so I can fit a carbon fiber rod left over from my drone project to use as an alignment tool.
Step 4: Convert to dxf
The plexiglass pieces had to be sanded down because I used the wrong laser settings and the edges became protruded. Aside from that, all the pieces were superglued together.
