Lately, I've been thinking about buffing up my surface modeling skills, which I'm sure everyone else thinks about too, from time to time.
I have a good amount of experience in several 3D modelling environments, but I rarely have had the need to use surfaces, which are typically useful for more free-flowing, organic designs (the bane of any self-respecting engineering education).
However, I rather like free-flowing, organic designs. So, after a bit of poking around on the internet for inspiration, I decided to work on a 3D-printable lamp shade.
Before designing my own lamp, I decided to try my hand at directly recreating some existing lamp designs. While less creative than designing from scratch, this allows me to practice finding the right surface tools to design something specifically, which will be a really helpful skill to have when I design something of my own.
First things first, I went looking for inspiration designs to practice. I browsed Pinterest until I found some designs that interested me; I've used this platform many times in the past as a rabbit-hole of inspiration images, and it didn't fail to deliver here.
Now for the fun part! After watching some videos for guidance, I took to Fusion 360's Surface Modeling tools to start building my own versions of the inspiration lamps. In order to accomplish the designs, I used surface lofts, sweeps, and plenty of splines.
I also intentionally tried to copy each design closely, rather than branch out into something of my own creation. My self-imposed challenge here was to create something just as I saw it, using surfaces.
This was really fun, and good practice with the surfacing tools of Fusion 360. I was able to really get into a creative flow, just playing around with interesting forms created from simple geometry.
Now, at heart, I'm a Solidworks 3D modeler, as I'm sure is true of most of my generation of engineers. However, I've found the free, cloud-based version to be unusably slow. So, without shelling out big bucks for a personal license, Fusion is the next best thing.
However, this challenge did really end up highlighting the limits of Fusion as a program. There were often things that I wanted to create, for which the solution was clunky or non-existent.
For example, I wanted to create a circular pattern of splines to use as guides for a lofted surface. However, there was no built-in functionality to do that, and I had to copy-and-paste-and-rotate the splines by hand, individually. I found myself often wishing for the depth and utility of my one true love, Solidworks. I guess you get what you pay for.
Anyway, gripes aside, on to printing the thing!
I chose to go with the middle design for initial printing; I figured the cutouts in the middle of the form would be good windows for the flickering light of a candle to be seen through, and shine out from.
For illumination, I found some imitation LED tea candles on Amazon, which could simply be dropped into the lampshade surface form.
I'd say I'm moderately happy with the results. There is some low-hanging room for improvement: refining the form, getting a better surface finish on the 3D print, print out some of the other designs, and work on some custom designs of my own.
Originally, I had planned for a Stage 2 of this project, where I would work on creating a lampshade of my own design. However, life sort of got in the way of these plans: I got a job and put my projects on the shelf, for the time being.
For now, though, I've accomplished what I set out to do with this project, improving my model surfacing skills dramatically. I'll return to some more surfacing in the future, I'm sure!