Sunday, February 23, 2020
Monday, February 17, 2020
Layered Resin Necklace
I made this colorful layered resin necklace for a friend.
I mixed EasyCast resin and hardener with small amounts of laser printer toner. The colored toner powder was from an old color laser printer that a neighbor gave me to take apart.
I tested two or three batches of resin before the final design. The first test was single color batches to see how long it took to be firm enough to add a hook or to unmold. The single color tests turned out perfect, even though I didn't follow the directions exactly. I was supposed to mix the resin in one container, remix in a 2nd container, and then pour into the mold. I used small plastic hotel shampoo bottles for the molds.
The second test batch was with two color layers. I poured the blue layer first, waited a few hours, and then poured the yellow layer. Unfortunately, I didn't wait long enough and the yellow(now green) layer sank to the bottom while the blue layer rose to the top.
Based on these results, for the final version I waited at least 8 hours for each layer to set.
I mixed EasyCast resin and hardener with small amounts of laser printer toner. The colored toner powder was from an old color laser printer that a neighbor gave me to take apart.
I tested two or three batches of resin before the final design. The first test was single color batches to see how long it took to be firm enough to add a hook or to unmold. The single color tests turned out perfect, even though I didn't follow the directions exactly. I was supposed to mix the resin in one container, remix in a 2nd container, and then pour into the mold. I used small plastic hotel shampoo bottles for the molds.
The second test batch was with two color layers. I poured the blue layer first, waited a few hours, and then poured the yellow layer. Unfortunately, I didn't wait long enough and the yellow(now green) layer sank to the bottom while the blue layer rose to the top.
Based on these results, for the final version I waited at least 8 hours for each layer to set.
Saturday, February 1, 2020
Big Air Pressure Gauge
I bought a giant air pressure gauge at a garage sale. I bought it because it looked cool, but I didn't know what units it was. It turned out to be standard psi. I removed the faceplate and cleaned the glass, but I chose to leave the rust on the case.
I had to buy a splitter from the air tool section of Lowes because they were out of stock in the plumbing section. This one turned out to be better because it had 2 female ends and 1 male end. I have the main air flow going through the straight section and the gauge on the side with the male thread. I used a small hose because the air flow requirement of the gauge is zero.
I mounted the gauge to a shelf in the garage next to the air compressor. Now I can see it while standing at my workbench.
I used a piece of Betaduct to hide the excess hose. The Betaduct, which is a UK brand of control panel trunking, was recycled from an old AV cart I took apart at work.
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