Showing posts with label plastics. Show all posts
Showing posts with label plastics. Show all posts

Sunday, March 20, 2016

Do you need a plastic washer for your craft project or whirligig?

Washers for whirligigs and crafting.


FOR SAFETY REASONS NEVER USE THESE WASHERS TO REPLACE PARTS ON COMMERCIAL PRODUCTS. 

Always use the manufacturer's recommended replacement parts.



    Nylon washers are not very cheap, but I have found an alternative that cost next to nothing, helps the environment and works almost as well. 
    One of the things that I do on a yearly basis is to do preventative maintenance on my whirligigs and weathervane's. With all the moving parts and high winds, there is a lot of wear and tear on these mechanical wonders. What I found out is metal on wood wears out the most, so I use a lot of plastic or nylon washers. Although washers are not the most expensive part to a whirligig, they can cut into your profits.

  I couldn't help, but share this money-saving and environmentally friendly up_cycling of plastic jugs. As for the patterns, I simply invested in an assortment of metal washers to use as a template for the various size washers that I use in my whirligigs. After all for a couple of bucks worth of cheap metal washers, I now have a set of templates that are worth the investment and will never wear out. I could've very easily used a compass to draw the circles, but I wanted something that was more consistent with actual washers.

    
(Be sure to use the appropriate safety goggles and other safety equipment when using rotary tools)

    I have found almond milk jugs and other opaque or heavier jugs seem to make the better washers. Anyhow, using a metal washer as my template and a black marker to trace around the metal washer, I create my patterns. Usually, I take the time to make several hundred at a time, so I have washers on hand for later. Then I simply rough cut them using heavy-duty utility scissors, dollar store kitchen scissors or a Dremel with a fine tip rotary cutting blade. (An X-Acto knife on a cutting board will also work as well.) I then finish the washer by sanding the edges or dragging a knife blade crossways against the grain to remove any ragged edges. A Dremel with an abrasive bit also works very well.

For those of you who like to do things the hard way I have included the following photo as a pattern.
Now keep in mind these washers will not necessarily take the place of a heavy-duty nylon washer and will most likely biodegrade over time if exposed to sunlight.


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Thursday, October 15, 2015

3D Pen Holiday Ornaments




  

Using a 3-D pen with a tennis ball used as a form

   One of the big disadvantages of a 3-D pen is the lack of precision. Unlike a 3-D printer the 3-D pen relies not on a computer but on how skilled you are with your hands. However you can compensate on some things by using a form rather than just creating freehand. Here I am using a tennis ball as a form to create a Christmas ornament, but realize that any ball that can withstand the heat from the pen can be used. And any size ball can be used to create even more than just ornaments, such as using a basketball to create a lampshade. You may wish to cover your ball with masking tape or some other material so the plastic does not melt into the ball. I'm using the tennis ball basically because that is what I have handy and the plastic adheres enough to the ball to make it easy to control. The disadvantage of using a tennis ball is all the small fibers that the plastic adheres to. This can make removing the finished ornament rather difficult. The trick I use to overcome this is the use of a old painter's palette knife. Using the knife as I work, I periodically carefully lift the plastic off of the tennis ball. A thin blade screwdriver could also be used in the same manner. Just be sure to lift the plastic as you work rather than trying to do it all at once at the end. If you try to wait until the end, it becomes extremely difficult to lift the plastic without breaking it.





    Once you have removed your ornament you then can began to remove the fine hairs with a lighter or hot knife. Be sure and move quickly so as not to melt the plastic ornament you're working on. Most of the ornaments that I create are shaped similar to a half finished death Star. If you wish to create a full sphere, you need to create two halves and then weld them together after you have removed them from the tennis ball form. One trick I use is to create the ornament using the lines on the tennis ball, rather than a straight half circle. This also helps hide any seem that is created when I weld the two halves together, as it is not a straight line.

     So here we have our finished ornament and all that is left to do is to add a bit of thread or ribbon to hang it by. We can also add lace, beads, crystals or other decorations to the ornament as well as sand and paint the ornament as needed. The type of artwork you use is up to you and I have personally created ornaments for all the seasons, not just Christmas. So have fun and enjoy creating a little bit of artwork with your 3-D pen.

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