Saturday, February 8, 2020

Light Experimentation - Part 5: Acrylic and Other Forms for Testings

During the time when we waited for the silicon rubber mold and resin to cure which takes several days, we explored other materials and forms to see if we can create the desired light effects.


We laser cut an acrylic sheet and bend it into an irregular shape after using the heat machine.
We tested the light effect but it's not exactly ideal because of the sharp edges, the lines should be softer. 
I got this glass case from Ikea and did more plastic cut-outs to insert to see if there is any effect, unfortunately the effect is also quite messy.
Experimenting with plastic sheets but the finishing is quite tricky
Looking for water bottles that may create soft light effects

Experimenting with crushed water bottles
Uneven glass surfaces by Sock Fong
All experimentations produce different light effects, we will wait till the resin droplet is cured before making a decision on which one to proceed with.
Following this post, Grant also 3D printed a thinner droplet case for more testing. The epoxy coating was cured and stuck to the wood that was supporting it so I chopped it off with a saw
We used a machine to buff the surface that was coated with epoxy resin and also prepared the acrylic tube for insert
 Pouring epoxy resin into the 3D case to fill it up and inserted the acrylic tube
  After 1 day, the resin cured and again we used the buffing machine to smoothen the surface
As shared earlier that epoxy resin has a yellowish colour after drying and this is how it looks like. We wanted to do a pilot test to see if the light could shine through, if it works, we could apply for the uneven shaped droplet, this evenly shaped droplet 3D printing is faster thus we tested with this first. Unfortunately, the light does not pass through well so we will scrap this idea. This droplet will also be used as a sample to gauge the total weight required for the kinetic light setup and motor speed/strength. 
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